Performance Tool, Tractor Creeper Seat, Feature An Easy Lever Action Seat That's Fully Padded With A Backrest, Heavy Duty Iron Casters For Maneuverability & A Circular Tray At The Base For Easy Access To Your Tools, 15'' To 20'' Height, 14-1/2'' Wide Seat, 5-1/2'' High Seat Back, 5 Caster Base.