Defender Security U 9480 Door Strike, Accommodates 5-1/2 in. to 6 in. Hole Centers, Steel, Brass Plated REPLACE STANDARD LATCH AND STRIKES  This door strike is designed to replace the standard, separate latch and deadbolt strike plates with a one-piece combo plate. MAXIMUM SECURITY STRIKE  This door strike provides maximum security! It comes with a one-piece combo plate plus six 3 in. long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins. TALLER LATCH AND BOLT OPENINGS  This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 in. to 6 in. hole centers. EASY INSTALLATION  Installation is quick and easy, and the door strike fastens into jamb and door frame with screws. Some mortising and pilot hole drilling may be required for a flush install. DURABLE, STRONG CONSTRUCTION  Made of stamped steel with a brass plated finish, this door strike is strong and durable, sure to last the test of time. Make sure to measure the holes on center for your replacements. These are designed to be used for 5  to 6 inches on center only.