Euro profile cylinder case and 6 pin cylinder from CHUBB. This lock is to BS3621 specification only if supplied with original equipment CHUBB Euro profile cylinder. Supplied complete with cylinder and security roses.Case size 67mm. 3 keys. Forend brass or satin chrome. Deadlock is locked or unlocked from either side using Euro profile cylinder (100,000 differs).Extended box strike for extra strength. Extra long deadbolt with 20mm throw.