Offex presentation station AV carts are made of recycled high density polyethylene structural foam molded plastic shelves that will not scratch, dent, rust or stain. 400 Lb. weight capacity, evenly distributed throughout three shelves. Heavy duty 4" casters two with brake. 1/4" retaining lip around each shelf. This LP42 has 3 shelves 18" D x 24" W x 42" H.Optional 3 Outlet electric assembly with 15" cord and built in cord wrap in the handle. Optional 20 gauge steel cabinet with powder coat paint finish. Inner dimensions of cabinet are 16 3/4" D x 23 1/4" W x 18" H. Comes with lock and two sets of keys. Full piano hinges on reinforced door with recessed handle.