Features： 1、Aluminum Mg Alloy Material: This downhill side plate single pulley is made of hot forged aluminum Mg alloy material, with high strength, which is durable and sturdy. 2、Semicircle Hanging Point: The pulley hanging point is designed as a semicircle, so that the force is uniform when hanging. Concave pulley, polished surface, use smoothly, no friction blocking problems. 3、Strong Pulling Force: The static pull of the climbing pulley is 20KN, the rolling pull is 10KN, and the applicable rope diameter is less than 12MM. 4、Scope of Application: Suitable for mountaineering, rock climbing, caving, canyoning, rescuing, engineering protection, mountaineering and skiing. 5、Lightweight and Portable: This aluminum climbing pulley has a compact size and lightweight, it is portable and easy to carry when you go out for activities such as mountaineering expeditions. Specification： Item Type: Climbing Pulley Material: Aluminum Mg Alloy Gross Weight: 103g / 3.6oz Product Size: 75x55mm / 3.0x2.2in Static Pulling Force: 20KN Rolling Tension: 10KN Applicable Rope Diameter: Less than 12MM / 0.5in Scope of Application: Mountaineering, rock climbing, caving, canyoning, rescuing, engineering protection, mountaineering and skiing Package List： 1 x Climbing Pulley