Aluminum coupling (Swivel) with sealed ball bearings designed to prevent twisting and tangling of the ropes. Suitable for partial and full hitches. Features: Spur with ball bearings EAC Application: Shibari, Rope access, tree cutting (arboriculture) Parameters: 2 years warranty Weight: 150g Strength: 35 kN Material: Aluminum alloy Parameters: Warranty period 2 years Weight: 150g Strength: 35 kN Material: Aluminum alloy