Pneumatic Stool w o Back w 5 Leg Base Foot Activated New Arrival * Heavy duty flat free Aluminum band assists in * Heavy duty flat free 8 front casters are adjustable in 3 positions * Extra heavy duty front forks * Reinforced side frame caster journals and dual cross bars * Comes with push to lock wheel locks * Limited Lifetime Warranty * 700 lb Forced induction: semiconductor pressure sensor Hands Free Stool * Foot activated height control * Contemporary styling * 5 leg cast aluminum base * Firm polyfoam padding * Soft roll dual wheel hooded casters * Pneumatic cylinder height adjustment * Premium stain resistant woven knit backed vinyl upholstery * 24 black powder coated aluminum base * 4 thick round seat * 250 lbs load capacity under normal use * 5 year limited warranty * Seat diameter 16 * Base diameter 24 * Height Range 19