Pneumatic Roller Seat (ARS-1 is an affordable and comfortable Roller Seat that will save your back!) Pneumatic Roller Seat with Tool Tray Ideal for bikes, cars, trucks, vans, RVs, etc. Adjustable Height from 15" to 19 1/2 " 5 soft caster wheels Vinyl cushion seat This seat will literally save your back! Normally priced at $64.95 The Limited Time Internet Special Price on this feature packed Jack is only $49.97 plus shipping. That's a savings of $16!! Take advantage and order yours right NOW because this promotion ends soon!!