... 4)totally copper sheet for surface Big main copper door especial for hotel (BG-C9103) specification:1, ... The thickness of copper for both door leaf and door frame are 0.8mm/1.0mm.1. ... lock, handles, peepphole (or two in one peephole), hidden doorbell, rubber seal and magnetic seal, installing bolts, ... villa.12, Can also be used as main room door.13, Suitable for different wall thickness, stardard villa ...