Top shelf is 34" high with a 1-1/2" retaining lip on 3 sides. Bottom and middle shelves are lip up on all 4 sides. 12 gauge shelves. 5" polyurethane casters, 2 rigid and 2 total lock swivel casters. Available in 2 or 3 shelf configuration with or without pegboard (-PB) or louvered panel (-LP). 2 shelf models are also available with 1 or 2 storage drawers. FOB Shipping Point.