Compatible pulley (mm): Outer diameter 20-90 when hanging outside, inner diameter 80-140 when hanging inside Length of nail reaching (mm): 103 Load at break (kN): 20 Number of arms: 2 Hexagonal size (mm): 17 Claw tip thickness (mm): 2.7 Outer diameter of object to被撤出:悬挂在外面时20-90,挂在里面时80-140