Rolling Pneumatic Roller Creeper Seat Height Adjustable Chair w/ Tool Tray Black Description Do you want to be able to sit to work at any time whether you're cleaning and fixing your car, doing long hours of assembly or organizing files in the office? It is time to get comfortable with this pneumatic mechanic roller seat from us. It features thick pearl cotton padding and adjustable height and orientation to make those long days in the shop less unendurable for you. So What are you still hesitating for? Hurry up and take it home! Key Features Work Helper: This pneumatic mechanic roller seat allows you to sit down and work instead of squatting to reduce the strain on your knees and lower back from long hours of work. It can accompany you to do a great job of repairing and maintaining.