a) Reinforced nylon body, withstand temperature from -20℃ to +120℃ . Aluminum shackle is spark proof with surface oxidation treatment.
b) Key Retaining Feature: When the shackle is open, the key can’t be removed.
c) Laser printing and logo engraving available if required.
d) All different colors available.
e) Support keyed alike, keyed differ, master keyed and grand master keyed system.