♦ 材质&表面处理： 本体-铜,镀铬、挡片-钢铁,镀镍 ♦ Material：Body-Brass,Chrome plated ; Cam-steel,Nickel plated.
♦ 可提供20000种锁心组合(订制生产),常规品为同号锁心 ♦ 20000 combinations available.
♦ 关闭状态时,钥匙方可拔出,避免使用者忘记关门 ♦ When close,the key can be taken out,prevent the user forget to close the door.
♦ 钥匙无法直接从正面插入,加强防盗防破坏性能. ♦ The key can not be inserted from front directly,Strengthen the theft-proof function.