Features 14-gauge uprights, 20-gauge die-pressed shelves, and a locking lower cabinet with a rear grommet hole to secure equipment. Top shelves are arc-welded and reinforced and come with a non-slip, ribbed rubber mat. Cart has 5-height capability: 26", 30", 34", 38", or 42". For use with projectors or CRT monitors up to 20" diagonal.