The NSF listed pneumatic stainless steel-top work stool features a 360-degree swivel seat with contoured grooves. This stool is ideal for kitchens, restaurants, offices, laboratories, warehouses, mail rooms, work centers and more. Equipped with heavy-duty one-inch steel legs, this stool can hold up to 300 lbs. The pneumatic action seat ranges from a peak height of 29.75 Inch lowering to 25.5-Inch in height. Easy set up; no tools required. The seat diameter is 14-Inch with the base of 19-inch across.