Packing :1.one piece in a polybag ,one piece in an inner box ,several boxes in a carton.
2.one piece in a blister,several piece in an inner box ,several boxes in a carton
Door viewer Material:Brass Finishes:SB,PB,SN,CP,SCP,AB,AC Size:200degree
The narrower side is installed on the door and the wider side is installed on the door frame. then the two machine-processed rice screws on the door side are to adjust the left-and-right direction. while the inner two cap head screws on the frame side are to adjust the up-and-down direction and the outer two cup head screws on the frame side are to adjust the front-and-back direction, that is also can be understood as the flatness degree.