Our carbon steel bolt strikes plates are an effective solution to misalignment , jamming and sticking problems caused by aging or shrink doors , pre-drilled design , and come with necessary hardware , including screws , ensuring quick and easy installation , saving you time and effort Designed for strikes plates for interior doors , providing enhanced security and stability to your door locks , keeping your home safe Make of carbon steel , durability and not easy to deform Suitable for door frame repairs in homes , offices and shops Designed for standard door frames and are suitable for standard door openings, Manufacturer: AMISENK