5,000 lbs. Capacity Formed 12 gauge shelves with extra reinforcement are welded to 2″ x 2″ corner angles. Heavy service casters have large top plate and swivel race. 4-position swivel locks on one end will convert swivel casters into rigid. Floor lock on other end prevents unwanted movement when necessary. Features: 12 gauge, reinforced steel shelves 2” x 2” corner angles Four swivel casters 8” phenolic wheels Two four-position swivel locks Floor lock to stop unwanted movement Overall height: 36”