"Bring comfort and practicality to any room with the Seville Classics UltraHD Cushioned Pneumatic Stool! The cushioned seat, made with resilient Polyurethane and partnered with an industrial-strength UltraZinc plated steel backrest, provides extra support throughout the day. The zinc plating process provides added corrosion resistance and is better for the environment (compared to chrome plating) as fewer harmful chemicals are used in the plating process. Pneumatic action adjusts the seat to fit counters and tables of almost any height while the option of wheels allows for mobility and easy handling. Ideal for kitchens, restaurants, offices, laboratories, warehouses, mail rooms, work centers, etc. Durable Polyurethane Seat (swivels 360 degrees) Pneumatic action adjusts seat height from 24.0"" to 28.25"" with leg caps and 26.25"" to 30.5"" with wheels PU Seat Diameter: 14"" 3/4"" Diameter Zinc-Plated Backrest on Cushioned Seat Heavy-Duty 1"" Diameter Zinc-Plated Steel Legs Work Stool Base Diameter: 20.5"" Set of 4 Resin Leg Caps included Set of 4 2"" Wheels included Weight capacity: 300 lbs Weight: 16 lbs "