Stack-On 18-Gun Convertible Security Cabinet - Black Medium GCB-18-C-DS. This gun safe designed by the experienced merchandise specialists at Stack-On features 4 removable shelves and a top shelf with foam padding and can be placed on left or right side of cabinet. The Stack-On 9 Firearms & Storage Convertible Security Cabinet is approved by the California Department of Justice as meeting their standards for firearm safety. With a 3-point locking system and a double-bitted key coded lock the Stack-On 18-Gun Convertible Steel Security Cabinet keeps your guns safe and secure. Specifications for Stack-On 18-Gun Convertible Security Cabinet: Manufacturer: Stack-On Color: Black Gun Type: Long Gun Height: 55 in Width: 21 in Depth/Thickness: 18 in Weight: 87 lb Package Contents: Stack-On 18-Gun Convertible Steel Security Cabinet Stack-On GCB-18-C-DS 18-Gun Convertible Security Cabinet - Black Medium