Master Lock 5401D Combination Lock Box, Metal/Steel, Black, 3-1/4 in W, 4-3/4 in H, 1-1/2 in DThe wall mount design offers permanent installation. Set your own 4 digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime and molded body and vinyl coated shackle prevent scratching. The limited lifetime warranty provides peace of mind from a brand you can trust. Unit: EA UPC: 071649214523 Model Number: 5401D