Door Security Kit - 48" ID Door, Hinge & Door Jamb Reinforcement Kit for Interior Doors 48" Long Door Frame Reinforcement Strike Plate + Door Lock Guard + Mounting & Hinge Screws 14 Gauge Cold-Rolled Steel (About the Thickness of a U.S. Quarter) 14 - 3 1/4" Long T-20 Torx Screws with Installation Drive Bit Included White; Super Hard Enamel-Like Finish, Made in the USA Fits Interior Doors that are 1 3/8" thick, Really Easy to Install in 15-20 Minutes