... steel,double cylinder 3.security,prevention of burglary,durable Rim lock SS1073D Stainless steel lock Model item: SS1073D Lock body Meas: 125 ... open the door,and indoor discharge the lock. 2.This lock suit for residential,especially for public gate of highrise flats,institution,school ... and can be used with electric control security door 3.This lock adopt anti-high temperature PVC plastic coil,which ...