Utilize your space your way with the revolutionary Square-Lok(TM) modular organizing system. Accessories lock in easily and hold firmly for countless storage configurations. Choose the pieces you need and the arrangement that works best for you. Product Features Maximize space in your safe, hobby room or work area with the revolutionary Square-Lok modular organizing system. Patent pending dual-purpose gun rack uses space between barrel rests to accommodate up to four handguns. Includes one 12" x 12" support shelf and one PVC coated barrel rest/gun rack. Support shelf locks into Square-Lok panels with integrated hooks and expanding nut grommets. Mfg: Hornady