product features：
Purpose: hospital ward, office, mail room, etc. Channel lock with silencing function, applicable door thickness: 28 ~ 3, 35 ~ 42, 42 ~ 49mm. Installation distance: 64mm. Door lock with excellent silencing function, corrosion resistance and climate resistance. It can be opened by pulling, pressing down or touching with your arm. The design is very humanized. The lock body also adopts silencing material, and the sound of opening and closing the door is also very quiet. The lock tongue adopts the roller design with special structure, which can prevent the door from opening under wind pressure.
