Seville Classics Contoured Silver Metallic Stainless Steel Work Stool 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: 14 in. Base of work stool has 19 in. D Pneumatic Action adjusts Seat Height from 25.5 in. To 29.75 in.