Ergonomic handle provides a more natural, comfortable grip that reduces wrist strain. The unique handle design also functions as a hand guard for added protection. The 2 swivel and 2 rigid 5” x 1-1/4” casters with non-marking polyurethane wheels provide the best combination of reduced rolling resistance and quiet operation. Wheel brakes on swivel casters are standard. All-welded construction with heavy 12 gauge shelves, these units ship fully assembled and ready for use. Bottom shelf has a 1-1/2” retaining lip for small parts. Top shelf is flush.