Tough Jobox Rolling Workbenches are built to last. Heavy-gauge steel top, bottom, and doors are reinforced for strength. Bench offers plenty of storage for all your tools and supplies—16-gauge doors have built-in shelves, and fully adjustable cabinet interior includes movable drawers and shelves in three combinations to meet your needs. Other features include: smooth bench front without exposed knobs or handles and heavy-duty push handle. Two fixed and two swivel with brake casters.