Feature:1. Made of quality 7075 aviation aluminum material, high strength, sturdy and durable.2. The hanging point is designed with a semi-circular arc, and the force is more uniform when hanging, and the use is smoother.3. The concave pulley has smooth surface and reduces the wear on the rope to a large extent.4. Built-in ball bearings for efficient high-speed rotation.5. Suitable for mountaineering, extending, exploring, rock climbing, rappelling, electric rescue, aerial work, etc.Specification:Item type: Side Swing Double PulleyMaterial: 7075 aviation aluminum.Static tension: about 35KN (about 3500KG)Rolling tension: about 17.5KN (about 1750KG) Applicable rope diameter: 13MM Size(length x width): Approx. 113x60mm/ 4.4x2.4inWeight: Approx. 295gColor: As picture shownPackage List:1 x Side Swing Double Pulley