Indicator Lock 1.material:stainless steel #201 #202 #304,and zinc alloy 2.Finishing:polishing,sanding 3.Size:74*53mm,64mm ... office building, theater, supermarket, subway, library, laboratory, factory etc. Indicator Lock, door lock of toilet partition accessories.1)material:stainless ... steel #201 #202 #304 ,nylon .2)finishing:polishing ,sanded,spray .3)size:64mm dia. 4) ...