Features1Al Mg Alloy Material: This climbing single pulley is made of 7075 aviation Al Mg alloy, with high strength and light weight, long service life. 2Applications: The fixed single pulley has a static pull of 20kN and a rolling pull of 10kN. It is suitable for ropes of 8 to 13mm/0.3 to 0.5in diameter. 3Reduce Wear: The circular hanging point is designed to hold the main lock. The aperture is 15.5mm/0.6in and the inner wall is glossy, which can effectively reduce rope wear. 4Easy Operation: This single pulley is specially designed for ropes and cables, compact and quick to install on a rope. Enough for your outdoor adventure needs. 5Multiple Usages: Suitable for mountaineering and rock climbing, outward bound training, aerial work, rescue escape, cave exploration, short distance crossing, etc.SpecificationItem Type: Climbing Single PulleyMaterial: 7075 aviation Al Mg alloyWeight: Approx. 93g/3.3ozColor: Light blueProduct Size: Approx. 82x45mm/3.2x1.8inFeatures: Small size, light weightApplication Scope: Mountaineering and rock climbing, outward bound training, aerial work, rescue escape, cave exploration, short distance crossing, etcPackage List1 xClimbing Single Pulley