Singing rock pulley. Bottom attachment point: 12 kN.

Singing rock pulley. Una de las características destacadas Twin pulley Singing Rock for for various uses. Featuring a 36kN strength rating, sealed ball bearings, and durable forged construction, it ensures safety, efficiency, and reliability for aerial performers, riggers, and professionals. Find the perfect hardware to enhance your climbing setup and elevate your adventures. durable and lightweight double pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for use PULLEY EXTRA PLUS / RK808OS00 - orange PULLEY EXTRA PLUS / RK808BB00 - black Large pulley for those who need great hauling efficiency, durability and light weight. Small simple lightweight pulley for retrieval and rescue / for textile ropes / 92 g / 22 kN Singing rock Pulley Extra Plus Instruction ManualSinging rock Pulley Extra Plus Product Information Specifications Product Name: Singing Rock Pulleys 1019 Standard: EN 12278:07 Warranty: 3 years for material and manufacturing defects Maximum Load: 12kN static, 18kN dynamic Weight Limit: WLL 30 kg pH Range: 5. Durable and lightweight pulley, designed and optimized for use with a Prusik friction knot. 5 kN and is compatible with ropes up to 13mm in diameter Jul 25, 2025 · The Singing Rock Bark Pulley Saver 125cm is a must-have accessory for any climber looking to protect their climbing rope and improve the performance of their pulleys. El salvarramas Singing Rock Bark Pulley Saber incluye: una cuerda dinámica Patron de 11 mm de diámetro, equipada con anillos cosidos en los extremos, una cinta cosida con polea Pulley Sling, una placa de recuperación con cordino y un grillete. lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with a Prusik friction knot bronze self lubricating bearing ensures reliable efficiency up to 81 % unique Singing Rock Pulleys offer reliable and high-performance solutions for climbing, rope access, and rescue operations. Las poleas SINGING ROCK de diferentes estructuras le serán útiles para el rescate, el arrastre de cargas pesadas o el tensado de una tirolina. lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with a Prusik friction knot bronze self lubricating bearing ensures reliable efficiency up to 81 % unique As considerable wear, any reduction of cross-section area higher than 5 % is intended. Working Load: 5kN Max steel cable diameter: 55mm Side Plates: Aluminum Sheave: PA Never use pulley alone. Always use together with back-up lanyard. SINGING ROCK pulleys of different structures will come in handy for rescue, hauling heavy loads or tightening a Tyrolean traverse. PULLEY EXTRA PLUS / RK808OS00 - orangePULLEY EXTRA PLUS / RK808BB00 - blackLarge pulley for those who need great hauling efficiency, durability and light weight. lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with a Prusik friction knot bronze self lubricating bearing ensures reliable efficiency up to 81 % unique BARK PULLEY SAVER / W2115 Adjustable cambium saver intended for use in tree care operations. Never use without breaking/belay rope Unique PULLEY SMALL / RK800EE00 - naranja PULLEY SMALL / RK800BB00 - negra Polea pequeña para aquellos que ocasionalmente necesitan construir sistemas de izado sencillos o manipular con los objetos. The twin roll design allows for smooth and efficient operation, making it ideal for hauling systems and complex rescue scenarios. PULLEY TWIN / RK802EE00 - orange PULLEY TWIN / RK802BB00 - black Large twin pulley for those who need great hauling efficiency, durability and light weight. Unique production number. Find many great new & used options and get the best deals for Singing Rock Mini Roll Pulley at the best online prices at eBay! Free shipping for many products! Singing Rock Pulley Extra- Rope access equipmentPULLEY EXTRA / RK801EE00 – orange PULLEY EXTRA / RK801BB00 – black Large pulley for those who need great hauling efficiency, durability and light weight. Rock Exotica Omni-Block Swivel Pulleys. Ideal for economical compliance in many basic confined space, fall arrest applications, and rescue. 50 Teufelberger Description Lightweight pulley with two attachment holes Designed for tree climbing application. adjustable length using the prusik knot pulley sling allows smooth and fast movement in a tree top retrieval ball (20 mm diameter) with accessory cord allows to remove the cambium saver from the ground possibility to exchange the parts of the cambium saver in case of damage available in two lengths Lightweight pulley with two attachment holes. Available in Orange or Black. durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diam In stock - Prague (3 pcs) Double pulley for textile ropes Add to cart Pulley Singing Rock Pulley EXTRA black €28,73 excl. Shop SINGING ROCK EASY CHAIR LIFT RESCUE PULLEY for sale at Rock-N-Rescue. Get performance-ready with the Singing Rock Large Twin Pulley, designed for aerial rigging and height work. two attachment holes with strength 28 kN anodized aluminum alloy side plates aluminum alloy sheave for textile ropes and auxiliary cords up to 13 mm in diameter bronze self lubricating bearing ensures reliable efficiency up to 81 % unique production Designed and optimized for use with a prusik friction knot. Aug 15, 2023 · Amazon. 00 Singing Rock Small Block Pulley Singing Rock Small Block PulleyR 469. Pulley for movement on textile and steel ropes / 290 g / 25 kN SINGING ROCK PULLEY EXTRA PLUS: Polea grande para aquellos que necesitan una gran eficiencia de izado, durabilidad y ligereza. Weight: 1420 grams 50 oz Strength: 30kN. Do not hesitate to contact SINGING ROCK in case of doubt. Weight: 424 grams Strength: 36kN Weight: 0. Equipo imprescindible para excursiones por glaciares en caso de rescate en grietas. 5 UV Resistant: Yes INSTRUCTIONS FOR USE This product is personal protective Nov 19, 2013 · Amazon. 99 SINGING ROCK RED BLOCK Nov 19, 2013 · Amazon. description: EDGE ROLLER / K0050OS03 - set EDGE ROLLER / K0050OS01 - part (separate module) Compact light edge roller for rope protection made of aluminium alloy suitable for working on the sharp edges protects a moving rope against the abrasion fully adjustable to any work situation intended for safe work at height or heavy weights hauling modules have anodized side plates and perfectly copy the terrain PULLEY EXTRA / RK801EE00 - naranja PULLEY EXTRA / RK801BB00 - negro Polea grande para aquellos que necesitan una gran eficiencia de izado, durabilidad y peso ligero. lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with Procedures and evidence sheets for PPE inspection The following procedures function as instructions for the competent persons how to carry out the individualproduct inspections and how to keep record of these inspections. 00 Quick View Translation missing: en. With its lightweight construction and smooth rolling design, this pulley is perfect for use in rescue operations, climbing, rigging, and hauling heavy loads. durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great 20 hours ago · The Indian Army has issued a formal invitation for competitive bids for CATEGORY: SR Jamer Black New L Singing Rock , SR Descender Fig of 8 25 KN Singing Rock , SR Pulley Small roll bik singing Rock , Petzl GRI Gray Petzl , SR Rocking Piton AS-L5 Sining Rock Singing Rock , SR Rock Piton V L 12 Singing Rock , SR Helmet HEX M Garishh Blue Singing Rock , SR Helmet HEX L Garish Blue Singing Rock Jul 29, 2025 · The Singing Rock Rescue Kit Pulley Twin Roll is a versatile and durable pulley system designed for use in rescue situations. Disponible en dos longitudes: 1,25 metros y 1,50 metros. Details lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with a Prusik friction knot brass self lubricating bearing ensures EASY LIFT / RK809SO00 Rescue pulley for cableway evacuation.   The pully sling allows for smooth and fast movement in a tree top. notify_form. Available at Saferight. Explore VERX AU's high-quality selection to find the right pulley for your needs. Singing Rock Ozone Twist Lock $30. Want to receive news about novelties, offers and SINGING ROCK events? Subscribe and don't miss a thing. Learn more PULLEY EXTRA / RK801EE00 - orange PULLEY EXTRA / RK801BB00 - black Large pulley for those who need great hauling efficiency, durability and light weight. Designed for tree climbing applications. Height Safety stockist in Australia. 95 Singing Rock Singing Rock Franklin - Work Seat for Rope Access Singing Rock Bark Pulley Adjustable Cambium Saver From £59. 93 lbs MBS: 8,000 (36kN DESCRIPTION Durable and lightweight single pulley for industrial use and hauling systems. They offer a wide range of products designed for mountaineering, working at height and rescue work. polea doble duradera y ligera para uso industrial y sistemas de izado para uso con cuerdas textiles estáticas y dinámicas rodamiento estanco y el gran diámetro de la polea proporcionan una gran eficiencia 94% diseñada y Singing Rock Pulley Extra Durable and lightweight single pulley for industrial use and hauling systems For use with static and dynamic textile ropes Sealed ball bearing and large diameter of the sheave provide great efficiency 94% Designed and optimised for use with a Prusik friction knot or any clamps Top attachment point accommodates up to three carabiners Formed side plates provides Explore Singing Rock USA's collection of climbing hardware. Prior to the inspection you should ask the user of the equipment to provide you with the Instructions for Use of the equipment in question (this is particularly SINGING ROCK – Tandem Pulley € 50. Durable and lightweight double pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great Procedures and Evidence Sheets for PPE Inspection The following procedures function as instructions for the competent person (s) on how to carry out the individual product inspections and how to keep record of these inspections. Bottom attachment point: 12 kN.   The retrieval plaque (22 mm diameter) with accessory cord allows to remove the cambium saver from the ground. Prior to the inspection you should ask the user of the equipment to provide you with the Instructions for Use of the equipment in question (this is particularly important Adjustable cambium saver intended for use in tree care operations. SINGING ROCK EASY CHAIR LIFT RESCUE PULLEY Be the first to review this product $369. durable and lightweight single pulley for industrial use and hauling systems The Singing Rock Swing Pulley is a lightweight single pulley for users who occasionally need to build a simple hauling system or for use in a rescue situation. Designed and optimized for use with a prusik friction knot. All equipment meets Australian Safety & Industry requirements. Diameter of sheave 20 mm. durable heavy duty pulley for industrial use and hauling systems high quality sintered bronze self lubricating bearings provide high durability at low speeds and efficiency up to 86 % ideal for use in energy sector (installation of electrical power lines) for use The Singing Rock double pulley for Tyrolean traverses and zip-lines with two stainless steel sheaves. Especificaciones técnicas Color naranja, negro Material polea y placas laterales – aleación de aluminio, cojinete – acero, eje – acero inoxidable Resistencia 32 kN Carga de trabajo máxima 2 x 3 kN Diámetro máximo de la cuerda 13 mm Rodamiento bola sellada Singing Rock Colt ScrewR 259. 93 lbs MBS: 8,000 (36kN Best Pulleys and Pulley Systems. adjustable length using the prusik knot removing the sling with a pulling ball with a diameter of 32 mm or tying a barrel knot at the end of the rope possibility to exchange the parts of the cambium saver in case of damage available in two lengths Adjustable cambium saver intended for use in tree care operations. Edelrid Spoc Pully. Suitable for rescue activities or heavy weights lifting. durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for use with a Singing Rock Small Roll Pulley Small single pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. For use with static and dynamic ropes. Unique production number on each piece. ISC Micro Pully. Adjustable anchor loop (cambium protector) with pulley / in lengths of 1. durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for TANDEM PULLEY / RK803BB00 Double pulley for Tyrolean traverses and zip-lines with two stainless steel sheaves each sheave is equipped with a pair of sealed ball bearings for great durability hard aluminium alloy body is black anodized and protects the sheaves from damage large attachment point can accommodate up to three carabiners second attachment point for a back-up carabiner or tackle MIKY / RK806BB00 Lightweight pulley with two attachment holes Designed for tree climbing application. Instructions of use Data Sheet Add to cart Add to quote SKU:PP03 Categories: Industrial, Pulleys Tags: pulley, roll, small Brand: Singing Rock Description Reviews Additional Singing Rock is a Czech company that specializes in the production and distribution of climbing equipment, outdoor equipment and safety products. Suitable also for Prusik friction knot or any clamp. From carabiners and belay devices to pulleys and ascenders, our hardware is designed for durability and reliability in challenging climbing environments. TWISTER / K0030OG00 Rotating anchor device to prevent twisting of other system components. Designed for durability and smooth operation, these pulleys ensure safe and efficient load handling in various industrial and outdoor appl Singing Rock PULLEY SMALL golden. polea simple duradera y ligera para uso industrial y sistemas de transporte para uso con cuerdas textiles estáticas y dinámicas rodamiento estanco y el gran diámetro de la polea proporcionan una gran eficiencia 94% diseñada y Description durable and lightweight double pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for use with a Prusik friction knot or any clamps top attachment point accepts up to three carabiners formed side plates provides protection of rope against Portable tripod with adjustable locking legs and 3 integrated pulleys. sling with the pulley is suitable to use as a textile blocking device for wide use mainly at the tree care and rescue operations Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. Strength25 kN. 50 Singing Rock Bark Ring Adjustable Cambium Saver From £34. Singing Rock PULLEY SMALL (Ref: RK800**00) PULLEY SMALL / RK800EE00 - Orange - PULLEY SMALL / RK800BB00 - Black Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. Sealed ball bearing andlarge diameter of the sheave provide great efficiency 94 %. SINGINGROCK recommends an inspection by a competent person at least once every 12 months. 99 SINGING ROCK MIKY PULLEY Be the first to review this product $49. Unique serial number, datamatrix. Made in Czech Republic with 100 % guarantee of quality and safety. com : Singing Rock Mini Roll Pulley : Sports & OutdoorsSmall, lightweight and durable designed mainly for hauling systems. suitable also for rescue, work and other activities at height. products. Salvarramas de longitud regulable con polea para poda. PULLEY TWIN HD / RK811RX00 availability - Q3 2025 Robust high-strength double pulley designed for the most demanding applications. Intended for evacuation/rescue action only. alloy, sheaves and axles - stainless steel, bearings - steel. Nov 19, 2013 · Amazon. Made from durable and high-quality materials, this pulley saver features a 125cm length that is ideal for use in various climbing scenarios. Top attachment point accepts up to three carabiners. Rock Exotica Aztek Pully System. VAT €34,76 / pcs In stock - Prague (3 pcs) 2 roky záruka For those who need great hauling efficiency, durability and lightweight pulley. * attachment point accepts up to three carabiners * ball bearings and large sheave diameter for high efficiency * diameter of sheave 48 mm * bottom attachment point: 12 kN * for use with static and dynamic ropes * unique production number Weight: 421 g The Singing Rock Twin Pulley is a large double pulley for those who need high lifting efficiency and durability without compromising on weight The Twin Pulley from Singing Rock is a durable, light and at the same time highly efficient double pulley for regular use – ideal for lifting and rescue systems. Nov 6, 2023 · PULLEY TWIN / RK802EE00 - orange. The Mini Roll Pulley Miky features a working load limit of 2. You may see this displayed as a strike-through price for pre-owned offers. Singing Rock Shop Saferight’s wide range of Rope access equipment, including leading brands such as Singing Rock, Petzl, Skylotec and more. With a . Manufactured in Czech Republic using the latest technologies to ensure long-lasting quality and maximum strength. Connects directly to the ski lift cable. Large twin pulley Singing Rock Pulley Twin for those who need great hauling efficiency, durability and light weight. Each individual pulley has a unique production number Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. It is possible to exchange the parts of the cambium saver in case of damage. 95 Singing Rock Singing Rock Tandem Pulley $134. designed to connect directly on the carrying steel cable of the cableway it is used during rescue operations and is used for the rescuer's crossing from the cableway support to the seat/cabin and rescued persons thanks to two sheaves construction it does not jump even on a rough steel cable lighter about 50 g than previous Easy Lift Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. Singing Rock Twin Double Sheave Pulley – high-strength, smooth operation pulley ideal for complex rope systems in rope access. Durable and lightweight pulley. Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. 5-8. durable and lightweight single pulley for industrial use and hauling systems Prusik sling with stitched PULLEY SMALL for creating an anchor point. Best Rope Access Equipment . For use with both static and dynamic textile ropes and suitable for use with a Prusik friction knot. Pulleys That Can Lighten Your Load For Work or Adventure A reliable pulley can have infinite uses for years. 93 lbs MBS: 8,000 (36kN Jul 29, 2025 · The Singing Rock Mini Roll Pulley Miky is a compact yet durable pulley designed for various rope work applications. 41 + VAT 1 in stock - + Add to cart SKU: 4637562 Categories: HARDWARE, HARDWARE, PROFESSIONAL, Pulleys, Pulleys, SPORT Brand: Singing Rock Description Rigging pulleys from Singing Rock comply with EN 12278 and CE 1019 and each pulley is marked with unique production number. Declaration of Conformity Description durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for use with a Prusik friction knot or any clamps top attachment point accepts up to three carabiners formed side plates provides protection of rope against Singing Rock PULLEY TWIN (Ref: RK802**00) PULLEY TWIN / RK802EE00 - Orange - PULLEY TWIN / RK802BB00 - Black Large twin pulley for those who need great hauling efficiency, durability and light weight . Singing Rock Small Roll Pulley Small single pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. 6 Items Sort By Group Sort SINGING ROCK EASY CHAIR LIFT RESCUE PULLEY Be the first to review this product $369. Buy Singing Rock Pulley Extra – durable lightweight large pulley with great hauling efficiency. two attachment holes with strength 28 kN anodized aluminum alloy side plates aluminum alloy sheave for textile ropes and auxiliary cords up to 13 mm in diameter bronze self lubricating bearing ensures reliable efficiency up to 81 % unique production Jun 2, 2023 · Adjustable length using the prusik knot pulley sling allows smooth and fast movement in a tree top retrieval plaque (22 mm diameter) with accessory cord allows to remove the cambium saver from the ground possibility to exchange the parts of the cambium saver in case of damage available in two lengths Description durable and lightweight single pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and optimized for use with the Prusik friction knot or any clamps top attachment point accommodates up to three carabiners formed side plates provide protection of a rope Lightweight pulley with two attachment holes. Essential gear for glacier tours in case of crevasse rescue. PULLEY TWINLarge twin pulley for those who need great hauling efficiency, durability and light weight durable and lightweight double pulley for industrial use and hauling systems for use with static and dynamic textile ropes sealed ball bearing and large diameter of the sheave provide great efficiency 94% designed and Adjustable cambium saver intended for use in tree care operations. Fixed-by-forging sheave and anti dust cover of ball bearing provide great lifespan. This kit includes two sturdy aluminum pulleys with stainless steel bearings, making them strong enough to handle heavy loads with ease. Double pulley for Tyrolean traverses and zip-lines with two stainless steel sheaves. Diameter of sheave 48 mm.   It has an adjustable length using the prusik know. Materialside plates - al. com : Singing Rock Extra Roll Pulley : Sports & OutdoorsDesigned and optimized for use with a prusik friction knot. Suitable for use with Prusik friction knot. polea sencilla y ligera para el izado y el rescate para el uso de cuerdas textiles estáticas y dinámicas adecuada PULLEY SMALL Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. PULLEY TWIN / RK802BB00 - black. PULLEY TWIN / RK802EE00 - naranja PULLEY TWIN / RK802BB00 - negra Polea grande para aquellos que necesitan una gran eficiencia de izado, durabilidad y peso ligero. adjustable length using the prusik knot removing the sling with a pulling ball with a diameter of 32 mm or tying a barrel knot at the end of the rope possibility to exchange the parts of the cambium saver in case of damage available in two lengths Rescue pulley for progression and evacuation along a ski lift cable. The Bark Pulley Saver is designed to prevent rope wear and damage on rough surfaces such SINGING ROCK slings are suitable for creating an anchor point, protection or as an aid sling for rope ascent. Large twin pulley for those who need great hauling efficiency, durability and light weight. 99 SINGING ROCK MINI ROLL PULLEY Durable and lightweight pulley. Free shipping options & fast delivery Australia wide. Ball bearings and large sheave diameter for high efficiency. Home / Singing Rock Pulley small roll Black 22kn Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. SINGING ROCK pulleys of different structures will come in handy for rescue, hauling heavy loads or tightening a Tyrolean traverse. com : SINGING ROCK Bark Pulley Saver 150cm - Essential Gear for Safe and Efficient Climbing : Sports & OutdoorsAdjustable length using the prusik knot pulley sling allows smooth and fast movement in a tree top retrieval plaque (22 mm diameter) with accessory cord allows to remove the cambium saver from the ground possibility to exchange the parts of the cambium saver in case of damage Nov 19, 2013 · Amazon. Suitable for use with pruisk friction hitches. Attachment point accepts up to three carabiners. TANDEM PULLEY / RK803BB00. Buy Singing Rock Pulley small roll Black 22kn online. - lightweight single pulley for hauling and rescue - for use with static and dynamic textile ropes - suitable for TANDEM PULLEY / RK803BB00 Polea doble para tirolinas con dos roldanas de acero inoxidable cada roldana está equipada con un par de rodamientos estancos para una gran durabilidad el cuerpo de aleación de aluminio duro está anodizado en negro y protege las poleas de los posibles daños el punto de enganche principal puede admitir hasta tres mosquetones mosquetón de seguridad de apoyo o para Singing Rock Pulley - Small - Singing RockPULLEY SMALL / RK800EE00 - orange PULLEY SMALL / RK800BB00 - black Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. Details lightweight single pulley for hauling and rescue for use with static and dynamic textile ropes suitable for use with a Prusik friction knot brass self lubricating bearing ensures Designed and optimized for use with a prusik friction knot. Fabricadas en la República Checa con las últimas tecnologías para garantizar una calidad duradera y la máxima resistencia. Any modification or repair outside the SINGING ROCK production facilities is forbidden. May 8, 2025 · Pulley Singing Rock TANDEM pulley. Singing Rock PULLEY TWIN - RK802 Large twin pulley for those who need great hauling efficiency, durability and light weight. Lightweight pulley with two attachment holes. com : Singing Rock Twin Roll Pulley : Sports & OutdoorsThe “New” price refers to the current Featured Offer price for a NEW version of the item. 5 m / EN 795B Singing Rock Pulley Small - RK800 Small pulley for those who occasionally need to build simple hauling systems or manipulate with the objects. The brass self-lubricating bearing ensures a reliable efficiency of up to 81%. Singing Rock BARK PULLEY SAVER. designed for work at heights and climbing durable light alloy body color-coded connection holes 18 mm in diameter ball bearing allows rotation up to 4 kN load (≈ 400 kg) unique production number Double pulley Singing Rock Tandem Pulley for Tyrolean traverses and zip-lines with two stainless steel sheaves. durable and lightweight double pulley for industrial use and hauling systems. 25 and 1. Head construction allows a variety of leg angles and a safety-chain-free design. zeb pexmf jrvzx qgri fzdvbk xmyklk vzyxa lzwdgn crjep xytoajj