LARGE CALIBER, DOUBLE HOLE - The Door Strike Plate features slightly taller latch and bolt openings with 2 strike holes for locks with 5-1/2 inch to 6-inch hole centers. The double strike plate holes are large enough to accommodate seasonal ground movement and keep the latches operating properly. ENHANCE YOUR HOME SECURITY - Sturdy construction and reliable performance provide an effective solution to prevent break-ins and anti door kick-in. This reinforced strike plate strengthens the door jamb and adds extra protection. You can feel confident that you are taking an important step toward securing your home and protecting your family. DOOR JAMB REPAIR KIT FOR BROKEN FRAME - The door reinforcement plate offers an effective solution for repairing a broken door jamb. It can strengthen or repair flaws or damaged areas in the jamb. The extended door strike plate is long enough (11') to cover all the old or poor door jamb. DURABLE, STRONG CONSTRUCTION - Made of stamped steel with a satin nickel finish, this door strike is durable and built to last. Measure the center holes for your replacements. These are designed to be used for 5-1/2 inch to 6 inch on center only. USE SCENARIOS - Replacing a worn or misaligned strike plate on a residential exterior door to improve security and restore proper latch alignment. - Reinforcing a door with seasonal ground movement or a history of kick-ins to deter break-ins and protect the door jamb. - Repairing or upgrading an old or damaged door jamb in a rental or home renovation, using the extended plate to cover weak areas and restore function.