The 300 Capacity Adjustable Key Cabinet with Combination Lock by Barska features a hook-style cabinet that makes key organization easy and convenient. These key cabinets are equipped with a 4-digit combination code lock, which can be changed when needed. There are 2 keys included for an extra method of entry. Inside the cabinets, there are adjustable rows of color-coded and numbered hooks, each of which is easy to access and keep track of thanks to the included key indexes. The two-sided indexing charts have ample room to document the keys hook position corresponding lock, and drop-in plastic sleeves tethered to the hinge inside the cabinet provides a hands-free reference. The key cabinets have four pre-drilled mounting holes and included hardware for installation. The cabinet walls and door are constructed of 0.8mm (21 gauge) solid steel and finished with a matte black coating.