Size: The Cylinder Core Dia is 12mm Dia with designed in 18mm length.. Brass Core: Made of cold rolled steel and the better brass core, in nickle finished, provide good resistance.. Metal tube wells lock manager locks the fire door framed door hidden key lock mortise lock Cross.. Application: Used in Fire doors, framed doors, invisible doors , solid and practical.. Notice: Come with a key, tow plates and screws..
