- Made of copper cylinder and key. More resistantant to corrosion and rust. Very stable, with
more then 1 million times operating. - Reinforced nylon body, withstand temperature from -20℃ to +120℃ . The steel shackle is
chrome plated; the non-conductive shackle is made from nylon, withstand temperature from –
20℃ to +120℃, ensuring the strength and deformation fracture not easily. - Key Retaining Feature: When the shackle is open, the key can’t be removed.
- Laser printing and logo engraving available if required.
- All different colors available.