This NSF certified commercial pneumatic brushed stainless-steel with contour (443) top work stool and 360-degree swivel seat adds a modern yet contemporary touch to any room. This stool is ideal for kitchens, restaurants, offices, laboratories, warehouses, mail rooms, work centers, etc. This work stool is equipped with heavy-duty 1 in. in diameter chrome plated steel legs, 19 in. D work stool base, and a 14 in. stainless steel diameter seat. The pneumatic action seat ranges from a peak height of 29-3/4 in. lowering to 25-1/2. H. No tools required. Brushed type 443 stainless steel seat (swivels 360 degrees) Certified by the NSF to NSF/ANSI Standard 2 - Food Equipment Stainless steel contour seat diameter: 15 in. Base of work stool has 19 in. D Pneumatic action adjusts seat height from 25.5 in. to 29.75 in. Heavy-duty 1 in. D chrome-plated steel legs with leveling feet