RapidRise hydraulic system and pivoting base on the model RS5218AHR raises the ram twice as fast as a standard jack

4-Bar and 5-Bar Inflation Cage

Seat Material: Vinyl-padded cushion

And it's 100% factory tested for your peace of mind

and added safety with an enclosed belt guard and vibration isolators

Sunex Hydraulic Shop Stool prod-options_139736 RapidRise hydraulic system and pivotingHydraulic Shop Stool Features: Adjustable vinyl padded backrest and seat for ultimate comfort and support Slip resistant feet allow for leveling on uneven surface High polished chrome finish Backrest can be set from 10. 5 inches 12 inches Seat can be set from 28 1 2 inches 33 inches Specs: Item Group SHOP Height (in.) 39 45 High Height (in.) 33 (Seat) Low Height (in.) 28 1 2 (Seat) 1