The Master Lock KB-25ML Small Key Box provides organisation and security for up to 25 keys, in the home or office. It has a steel construction. Colour-coded tags and labels make finding and returning keys quick and easy. Mounting hardware included. Specification: Dimensions (HxWxD): External: 25 x 18.8 x 8.5cmInternal: 24.3 x 15.5 x 4.4cm Ref: UTTK13900