Combine 3 pieces into 1 space-saving unit Static- and shockproof unbreakable plastic construction withstands the rigors of everyday school or library use. Molded shelves and legs won't dent, chip or rust. Base units (cart with or without monitor shelf) feature push handle with built-in 3-outlet power strip, 15' electrical cord (UL and cUL listed), and cord wrap to keeps cables neat and tangle-free. For extra strength, top surface is reinforced with aluminum bars. Legs have casters, 2 of which lock, to help maintain positioning. Base units LEM-32 and LEM-32K have 4" casters for easier mobility over carpeting. All others have 2" casters. Monitor shelf built into selected base units is 12" deep, with 8" clearance from the cart's top surface. Selected base units include lower shelf with a 9 1/2W x 20"D space with built-in CPU tower support plates for safety. Optional printer stand (Part number LEPS-3) is available with all units and is designed specifically to fit neatly into the understructure of base unit (part number LEM-32TS). Swivels out during use, tucks away for storage. Optional black laminate slide-out mouse shelf measures 11W x 10 1/4"D, (Part number LX-EMS) and attaches to the left or right side of all base units or easily mounts to the pull-out 19 1/2W x 16"D keyboard shelf. (Hardware included)Available in 3 colors: -01 black, -09 grey and -48 putty.Overall dimensions: LEM32: 27H x 32W x 24"D LEM-32K: 32H x 32W x 24"D LEM-32S: 27H x 32W x 24"D LEM-32TWR: 27H x 32W x 24"D LEM-32TWRK: 27H x 32W x 24"D LEM-32TWRT: 36H x 32W x 24"DLEM-32-TS: 36H x 32W x 24"D LEM32-TWRTKPS: 32H x 32W x 24"D LEPS: 15H x 24W x 15"D LX-EMS: 1H x 11W x 10 1/4"D