These standard mobile shop desks are made for heavy duty 12 gauge steel and are designed to last. The casters are 2 inches x 6 inches and make moving this desk around your shop easy. Our shop desks are commonly found in assembly areas, maintenance departments, warehouses and on shipping and receiving docks. Our desks feature a 3-point locking system and a wrap around design.//This unit has an upper paper storage area to keep your papers and notes organized. The slanted top makes a great desk area to write on. There is a top drawer that is 29 inches wide x 20 inches deep x 6 inches high. The drawer can handle a load of 400 lbs. The lower compartment has 1 adjustable shelf that has the capacity of 1,900 lbs. The lower compartment has solid doors that are lockable with a padlock using our 3-point locking system.