Larin ARS-1F Pneumatic Round Seat w/Flame Ideal for cars, trucks, vans, RVs, Home & Garden Adjustable height from 15 3/4" to 21 1/4" 6 steel caster wheels Vinyl cushion seat with flame design Lift range: 15 3/4" - 21 1/4" Seat cushion diameter 12" Tool Tray diameter: 15"