Product Description Replace your standard, separate latch and deadbolt strike plates with one designed for maximum security. Our Defender Security Max Security Combo Strike is a one-piece combo plate that comes with six 3 inch long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins. Made of stamped steel with a satin nickel finish, this door strike is strong and durable, sure to last the test of time. 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. This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 inch to 6 inch hole centers. *Installation note: It is best to pilot drill a hole for the 3 inch long screws and use a hand operated screw driver to install the 3 inch long screws. From the Manufacturer This combination strike is designed for maximum security. Six 3 in. long screws attach to your wall stud for extra strength. It replaces standard latch and deadbolt strikes with one piece security. REPLACE STANDARD LATCH AND STRIKES – The Defender Security U 10385 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 inch 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 inch to 6 inch 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 satin nickel finish, this door strike is durable, sure to last the test of time. Measure the center holes for your replacements. These are designed to be used for 5 -1/2 inch to 6 inch on center only. Steel combination. Maximum security. Satin nickel plated finish Dimension – 1-5/8 w x 11 h in.