Display or store up to 400 pounds of books, media or classroom supplies Constructed of 18-gauge steel, 1" square tube frame welded to 20-gauge end panels.Includes 3 tiers with 4 sloped and 1 flat shelf. Sloped shelf measures 6H x 34W x 7 3/4"D; flat shelf measures 34W x 18"D. Clearance between shelves is 12 3/4". SM21021: features bottom flat shelfSM21031: features top flat shelf Features dual-wheel 4" diameter plastic casters that move easily with a soft tread for quiet operation. Smoothly rounded handle ensures comfort and control while moving through aisles. 5-year manufacturer's warranty Ships via Truck. FOB: TXOptional black plastic dividers (part number SM21104) measure 6H x 2W x 7"D and are available and sold separately in packages of 3.Available in 10 powder paint colors: -01 black, -17 purple, -18 red, -25 yellow, -30 sand, -53 burgundy, -55 navy, -134 dark green, -176 platinum, -241 champagne To view color choices, simply click on View Swatches located above.Overall dimensions: 43H x 36W x 18"D