All welded galvanized steel construction. Extra cross-bar support frame makes this cart the most durable of their kind. Perfect for all departments, it’s the most versatile and functional stock cart we sell. 1000 lbs. capacity. Comes with 4 – 5-1/2″ casters. (2 – Stationary in front, & 2 – Swivel in rear, at handle.) Solid Upper and Lower Shelf.