Features 1、High Strength: The swing spinner is made of hot forged aluminum magnesium alloy material, which has the characteristics of high strength, and light weight, and is safe and convenient to use. 2、Triangular Design: The whole hanging point is a triangular design, and the force is more uniform when hanging. And the thickness reaches 9.9mm, the strength is higher, and the pulling force is stronger. 3、Reducing the Friction: Effectively support the pulley to rotate at high speed, reduce the friction coefficient during its movement, and ensure its rotation accuracy. 4、Finely Polished: The rock climbing swing spinner is finely polished to ensure a glossy surface, providing fast rotation and greatly reducing friction. 5、Widely Applicable: This safety rotational device is widely used in rapid descent, expansion, caving, crossing, aerial work, etc. Item Type: Swing Spinner Material: Aluminum magnesium alloy Gross Weight: 136g/4.8oz Pulling Force: 30KN Scope of Application: Mountaineering, rock climbing, expansion, downhill, rappelling, protection, etc. Package List 1 x Swing Spinner