Enhance your climbing, rescue, and hoisting operations with this premium 7075 aviation aluminum pulley, designed for high strength, durability, and efficient performance. Engineered with a ball bearing structure and a built-in spring mechanism, this pulley offers smooth, quick rotation and easy one-handed operation, making it an essential tool for mountaineering, caving, aerial work, heavy lifting, and rescue missions. Key Features: · Premium 7075 Aviation Aluminum Construction: Provides exceptional anti-rust properties, high strength, and robust durability to withstand demanding environments. · Easy One-Hand Operation: Equipped with an internal spring system that allows quick and convenient use with a single hand, improving efficiency and safety during tasks. · Smooth Ball Bearing Pulley Mechanism: Fine-polished sleek surfaces significantly reduce friction for seamless and fast rotation, enhancing overall performance and extending lifespan. · Suitable for 8-12mm Rope Diameter: Versatile compatibility ensures reliable use with commonly available ropes, making it ideal for various rigging and lifting applications. · High Load Capacity: Static tension up to 25KN, rolling force 12.5KN, and lifting force 4KN (about 400KG) provide strong support and safety under heavy loads. · Wide Application Range: Perfectly suited for mountaineering, hoisting, rescue operations, caving, aerial work, and handling heavy objects in both professional and recreational scenarios. Specifications: · Material: 7075 Aviation Aluminum · Pull Force (Lifting Force): 4KN (Approx. 400KG) · Applicable Rope Diameter: 8-12mm · Pulley Type: Ball Bearing Structure · Static Tension: 25KN · Rolling Force: 12.5KN · Scope of Application: Mountaineering, Hoisting, Caving, Rescue, Aerial Work, Heavy Objects Package Includes: · 1 x Pulley This high-performance pulley combines durability, ease of use, and exceptional load capacity to deliver a reliable solution for demanding outdoor and industrial tasks. Its lightweight yet sturdy design makes it indispensable for safe and efficient rope management in various challenging environments.