Work comfortably and efficiently from virtually anywhere in your workshop using Pro-Lifts Pneumatic Chairs. Seat height easily adjusts to meet the needs of various user heights and job needs. Range of motion remains sound and stable at any height thanks to its 360-swivel casters made of super-durable reinforced steel. Convenient, built-in tool tray(s) keeps tools close-at-hand as you move around your space getting the job done. Comfortable, reinforced-vinyl-covered cushion. Manufacturers limited 90-day warranty. Capacity: 300 lbs. Available: Pneumatic Chair Five 360-swivel casters. Ht. range: 15-20. Wt: 13 lbs. Pneumatic Chair with Three-Drawer Tray Three-drawer tool tray includes two small and one large tray to keep must-have tools at the ready. Four swivel casters. Ht. range: 17.13-21.63. Wt: 27 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Chair.