Heavy-duty all-welded 1-1/2? angle frame with 13 gauge expanded metal panels provides a durable truck to secure and transport your materials or cargo. Expanded metal sides and top allows easy visibility of contents. Double-hinged top cover has padlock hasp for added security. Front drop-gate with spring latches provide easy access. Interior height - 36?. Choose wheels based on rolling surface and capacity required. Available in 6? non-marking polyurethane, 9? pneumatic, and 10? solid rubber.