Sturdy Steel Construction: The 48-key safes are made of thick steel plate, high-quality material, excellent workmanship, and the matte surface has been electrostatically treated, scratch-resistant. . Security and easy to lock. The concave tooth design can better cover the box and fit tightly, strong sealing. Our safe wall-mounted key box uses the metal security core for enhanced security, usable and durable. PA2023 50 Extra Tags 2023: This 3-layer wall-mounted key cabinet measures 25 x 18 x 7.5 cm. Easy to Install: This metal key box organizer is very easy to install. The installation only requires four steps and is very simple, including all necessary installation hardware. With 2 pre-drilled holes and can be fixed to the wall with an expansion pipe and an expansion rod.