The door reinforcement plate is crafted from stainless steel, sturdy in use, not easy to bend, deform or break, hard for lasting time use, providing you with a lasting use experience. The door reinforcement plate is designed for heavy duty residential use and commercial frames, suitable for doors that no longer latch closed. Features -Color:Black -Material:Stainless steel - Size: 7.00X4.00X0.80cm/2.75X1.57X0.31in - Made of stainless steel material, high strength, not easy to bend, anti-rust, wear-resistant, stable performance. - Produced by professional equipment, door hole filler plate is made with excellent performance and great stability. - Door reinforcement plates, an effective and to enhance home security and protect against break . - Door reinforcement plates, designed for use with door latch hardware on hinged . - Door reinforcement plates, compatible with most types of doors and can be installed for added security. Package list: 4 reinforcement plates