Deadbolt housing constructed of solid high strength bronze alloy, jimmy-proof design prohibits forced entry by spreading of door frames. Surface mounted, cross bolt locking feature also resists forced entry and mounts to wood or metal doors and frames. This original Segal brand product includes a flat strike , and a tamper-resistant shutter guard. Used as a reliable secondary locking deviceMounts to wood or metal doors and framesConstructed of solid high strength Bronze alloyInterlocking single cylinder deadbolt with flat strikesLockset consists of Lock, strike, rim cylinder, 2 keys, screw pack, cylinder trim ring, mounting plate and instructionsKeyway different