MATERIAL: Reinforced nylon body and non-conductive plastic hackle DESCRIPTION: a) Widely used in chemical,electrical, automobile industry,etc. b) Easily to be carried c) With rewritable warning signs, other design can be customized. d) Key Retaining Feature (When the shackle is open, the key can`t be removed). e) High Security 12 pin cylinder lock, up to 50000pcs different locking mechanisms. f) Laser printing and logo engraving available if required. g) Shackle Length: 38mm. h) All different colors available.