The Mobile Storage Center is great for Educational, Industrial, and Commercial Use. It is produced from durable American Steel with Reinforced Bottoms. A metal brace is welded in place to reinforce the sides. It comes with Four 6" Heavy Duty Swivel Locking Casters, Four Adjustable Shelves, Two Turn Cam Locking Handles. Fully Assembled Ready to Use. Steel Cabinets USA conform to ANSI/BIFMA.