Safe, Black, Net Weight 29 lb, Capacity 0.52 cu ft, Material Steel, Finish Matte, Number of Shelves 2, Lock Style Biometric with Key Backup, Number of Bolts 2, Outside Height 20 3/4 in, Outside Width 15 3/8 in, Outside Depth 3 3/4 in, Inside Height 18 3/4 in, Inside Width 13 3/4 in, Inside Depth 3 1/2 in, Door Opening Height 13 in, Wall Cut Out Height 19 1/4 in, Wall Cut Out Width 14 1/4 in, Face Height 18 in, Face Width 13 in, Door Plate Thickness 1/8 in, Wall Thickness 2 mm