Indicator Lock 1.material:stainless steel #201 #202 #304,and zinc alloy ... in the school, airport, business building, hospital,hotel, museum, gym, office building, theater, supermarket, subway, library, laboratory, factory etc. Indicator Lock, door lock ... )finishing:polishing ,sanded,spray .3)size:64mm dia. 4) Design for the toilet cubicle with flat door.5)suitable ...