Package Included: Stainless Steel M10 Rotary Ring + 2 PCS Stainless Steel M8 Carbide with Safety Lock Size: see picture, can withstand a maximum load of 500 kg as fracture toughness For use with static and dynamic ropes between the load and the rope or cable. It can rotate 360 degrees and the rope does not turn to ensure that the rope does not wear out and becomes dangerous Suitable for swings, hammock chairs, hammocks, swings, tires, sports ropes, fitness ropes or twisted and twisted ropes suitable for indoor and outdoor use