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 storage in your garage, hobby room or work area with the revolutionary Square-Lok modular organizing system. Ball bearing drawer slides provide stable and smooth operations. Capacity of 40 pounds when evenly distributed. Drawer locks into Square-Lok panels with integrated hooks and expanding nut grommets. Compatible with Square-Lok panels, cabinets, safes and vaults. Specifica Mfg: Hornady