Goplus Rolling Mechanic Stool, Adjustable Pneumatic Shop Stool Creeper Seat with Removable Magnetic Tool TrayNo more bending, kneeling, or crouching by using this pneumatic rolling mechanic stool! After a simple installation, this roller seat is ready to help you repair cars or handle other projects. The 16" 22"adjustable height and 330 lbs weight capacity make this roller seat suitable for most users. When you sit on it, this adjustable rolling stool brings you a cozier sitting feeling thanks to its soft padded seat. If you need to repair other tires, just