These door strike plates are applicable to door handle latch and deadbolt spaced from 5-1/2inch to 6inch hole centers. Improve Door Security: Heavy duty materials to better protection. Made of 0.08inch(2mm) thick steel. It can effectively prevent doors from being pried open and kicked in. Safe to Use: Edges Passivated to that hands are not scratched during installation and use. Fix Broken Door Jamb: One-piece designed to replace the standard, separate latch plates. More exquisite and sturdy. It can also be used to hide flaws or broken areas in jamb. Solved problem that door had with handle latch and deadbolt not catching. The dimension of the holes is large enough to allow for seasonal ground movement and keep the latches work properly. Easy to Place: Comes with double-sided tape to aid positioning. Just place and stick the latch plate on the door jamb and then install the screws. You don't have to mark the position and keep holding the plate like others when installing. Moveable double-sided tape can also help to test the position before tighten down the screws. Easy to Install: Comes with long and short screws. For more reinforcement, you can install with combining long and short screws. Or you can install with all short screws, which will make installation easier. Sufficient short screws included. Colour:Black Material:Metal Package Contents: 2 * Door Strike Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.