This heavy-duty kitchen prep table is constructed from 18-gauge #430 stainless steel, and is the perfect work surface for use in a kitchen, bar, restaurant, laundry, school, hospital, and many other commercial settings. It is NSF certified to meet strict standards for public health protection. This stainless steel work table is built for high-volume use to last a lifetime. The table features an extra heavy-duty top, an adjustable-height galvanized under-shelf, and galvanized legs with adjustable non-marring feet that eliminate table wobble on uneven floors. The edges on the front and back of the tabletop are rounded for working comfort. The heavy duty set of 4 premium casters are specifically designed for our stainless kitchen prep tables but will fit any legs with a 1-1/2" diameter opening. The heavy duty composite 4 inch wheel is chemical resistant and built for use in the commercial kitchen environment. Each wheel rolls smoothly and they easily pivot on a full set of ball bearings. The wheels are non-marring and work on almost any surface like tile, concrete, and wood. Two of the wheels have an integrated brake that can be locked down to keep your table in place. The wheels arrive fully assembled and are ready to slide into the legs. Each wheel includes a rubber compression fitting at the top so you can tighten the top ring to get the right fit inside the table leg. Overall wheel size - 7-3/4" tall (this will raise the table by 5 inches), 5-1/4" wide , and the wheel is 4" in diameter. Fast and easy assembly.Features:NSF CertifiedExtra heavy-duty stainless steel topRounded front and back edgesAdjustable height under-shelfAdjustable height non-marring feet plus a set of 4 heavy duty castersDimensions: 51 x 28 x 34.5 inches tall (adding the wheels will raise the height of the table to 39.5 inches tall)