Features: Practical functions: The door protector security is mainly applied to reinforce and repair doors, preventing forced entry, increasing the security of your home. Easy to store and carry: The doors reinforcement plate is suitable in size, light in weight, easy to carry and store, and does not take up too much space in the toolbox. Specifications: Material: stainless steel Color: silver Size: about 4 inches wide and 4 -1/2 inches long Fits 1-3/4 inches thick doors Bores: 2-1/8 inches Backset: 2-3/8 inches Package includes: 4 x Lock and door reinforcer Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.