Compatible pulley (mm): Outer diameter 25-120 when hanging outside, inner diameter 80-180 when hanging inside Length of nail reaching (mm): 178 Load at break (kN): 20 Number of arms: 2 Hexagonal size (mm): 17 Claw tip thickness (mm): 2.7 Outer diameter of object to be退出:25-120悬挂在外面时,挂在里面时80-180