11 Inches17 Inches Office Chair Gas Lift Cylinder Replacement Tall Chair Cylinder 55 Stroke Hydraulic Pneumatic Shock Piston Heavy Duty Fit for Most Office Chairs Class 4 Polished Steel

Adjustable Height 55 inchesThe compressed length is 1169 inches 297mm the fully expanded length is 172 inches 437mm travel length is 55 inches which allows your chairs to rise higher Note Please measure the length of the outer cylinder before purchase Universal Fit Size for Most ChairsThe outer column cylinder diameter connected to the base is 2 inches 50mm and the piston shaft diameter connected to the chair is 118 28mm This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron Please confirm these measurements before making a purchase Not compatible with 1KEA and some other brands Upgraded Class 4 Gas CylinderMastery Marts office chair cylinder replacement is made of premium steel This heavyduty gas lift cylinder is manufactured to meet the highest industry standard BIFMAANSI The pneumatic lift replacement supports up to 1000 lbs Eliminate Sinking ConcernsPrevent sinking issues by removing the old cylinder using a hammer or wrench Simply assemble our new cylinder into the base and attach the seat Our office chair lift provides seamless 360degree rotation 100 Satisfaction GuaranteedFor any issues with using our chair shock replacement please dont hesitate to contact us We are here to provide guidance offer replacements or process refunds depending on your specific case Your satisfaction is our priority