Function:This Door Jamb Reinforcement Set can easily secure weak spots ,because Wood frames are weak and can easily be damaged with force.,Our entry door frame kit is a solution that strengthens weak points to help prevent forced entry.include 46" long steel plate?1 piece??Sturdier latch plates(2 piece )?L-Shaped hinge plates(2 piece ) . 46" extended door strike plate reinforcement plate will make your door plate stronger?The door strike plate is 46 inches long, more than two times longer than a regular door strike plate?With its increased resistance to forced entry.3" Stronger Fixing Force with Longer Screws that's much stronger than standard length screws ?help prevent forced entry. Durable strong contruction: made of stamped steel with a powder coated in white or black, this Door Reinforcement Set for Jamb, Frame & Hinge,Made of 0.08“(2mm) thick steel,and edge passivation treatment to remove sharp cutting burrs. This 46" long steel plate?1 piece? reinforces the jamb area?protect the weak wood frame,8 door latch hole designs, suitable for door latch pins of different heights .Includes knockout holes to fit doors with locks that are between 4.5" and 21.5" apart (center-to-center). Standard door locks are 5.5" apart. Sturdier latch plates(2 piece ) prevents deadbolt from being pushed into wood frame during kick-in .L-Shaped hinge plates(2 piece ) strengthens opposite side of door's hardware,This prevents intruders from kicking in the hinges. Note that removing your door from the hinges is unnecessary for installation.