5.5 Inch Office Chair Gas Lift Cylinder- Replacement Parts,Universal Size Fits Most Chairs,Heavy Duty Gas Lift Hydraulic/Pneumatic Piston (Black)

18" To 28" Long Adjustable Gas Lift Cylinder Tube For Bar Stool Drafting Chair Replacement Parts,Heavy Duty Hydraulic Pneumatic Cylinder Shock Piston

DOZYANT Gas Lift Cylinder Replacement,Hydraulic Pneumatic Shock Piston Heavy Duty (450 Lbs) Universal Size Fits Most Executive Office Chairs, Highest

HOSALI Office Chair Cylinder Replacement,Heavy-Duty Gas Lift Cylinder Fits Most Chairs,Highest End Class 4 Hydraulic Pneumatic Piston, Universal Size

DOZYANT 6" Long Stroke Office Chair Gas Lift Cylinder Replacement,Hydraulic Pneumatic Shock Piston Heavy Duty (450 Lbs) For Tall Person Universal Size