AntluTotal Length 35-55 cm,Adjustable Gas Lift Cylinder for Office Chair Stool Replacement,Tall Hydraulic Pneumatic Cylinder Shock Piston Heavy Duty (Weight limit : 200 kg)

Antlu 14" to 22" (8" Stroke) Adjustable Gas Lift Cylinder for Office Chair Stool Replacement, Tall Hydraulic Pneumatic Cylinder Shock Piston for More Scenes, Universal Size Heavy Duty (400 lbs)

TICONN Office Chair Caster Wheels Set of 5 for Tile, Hardwood Floors and Carpets, Universal Fit for Most Chairs (Black)

18" to 28" Long Adjustable Gas Lift Cylinder Tube for Bar Stool Drafting Chair Replacement Parts,Heavy Duty Hydraulic Pneumatic Cylinder Shock Piston (10" Lift Stroke)