Omyoffice 5.5 Inch Office Chair Gas Lift Cylinder-Office Chair Replacement Parts,Universal Size Fits Most Chairs,Heavy Duty Gas Lift Hydraulic/

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

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

DOZYANT 8" Long Stroke Office Chair Gas Lift Cylinder Replacement,Hydraulic Pneumatic Shock Piston Heavy Duty (450 Lbs) For Tall Person Universal Size

MASTERY MART Office Chair Gas Cylinder Replacement Kit, 6" Stroke Heavy Duty Hydraulic Pneumatic Piston, 1000 Lbs Capacity, Universal Fit For Desk