Pro-Lift PL9300H Pneumatic Chair is the pneumatic chair that gives you the ability to adjust to the desired height to allow you to get work efficiently where you want in your work space. It gives you the ability to adjust the height from 15 to 20 inches. The range of motion is stable at any height underneath the durable reinforced steel and 5 swivel casters. There is the built-in tool tray to keep your tools close by when you move around the garage to provide you with the convenience to get the job done. Capacity: 300 lbs Min-height: 15-3/8 inches Max-height: 20 inches Color: Orange/Black Dimension: 15 x 15 x 15 inches Casters: 5 Tool Tray: Yes Seat Material: Vinyl Manufacturer Warranty: One Year PL9300 is covered with One Year manufacturer warranty from the date of the purchase.