The Performance Tool 20 in. H X 17 in. W X 40 in. L Adjustable Mechanics Creeper is a super handy tool for mechanics and automotive enthusiasts. It's designed to provide comfortable support while working underneath vehicles. With its adjustable headrest and padded cushion, it offers ergonomic support and reduces strain on your back and neck. The creeper also has six swivel casters for smooth movement and easy maneuverability. Whether you're doing routine maintenance or tackling more complex repairs, this adjustable mechanics creeper will make your work a whole lot easier. Get ready to roll under those vehicles in style!