MySit 2.2 Stroke Gas Lift Cylinder Replacement for Heavy Duty Chairs - Universal Short Gas Spring Rod (450lbs) for Short Persons, Black, Class 4

About this item

• HEAVY DUTY 450LBs CHAIR PISTON -- MySit office chair gas lift cylinder holds up to 450lbs for most office chair, executive chair, computer chair, gaming chair. Full 360 degree rotation, smooth and without noise move to all directions.
• CLASS 4 LEVEL GAS LIFT CYLINDER -- This heavy duty gas lift cylinder made with high construction industry standard (BIFMA Plus Qaulity) for short person or high chair base.
• SIMPLE INSTALLATION -- Easily set up without needing extra screws; restore your sinking office chair with this standard replacement piston instead of buying a new one.
• REPLACEMENT PARTS FOR OFFICE CHAIR -- Universal size replacement for high chair base. After installation, the cylinder's bottom to the chair base feet center hole length is 2.4"(6cm), so the legs height of the chair must over 2.4"(6cm), or it will affect the chairs moving.
• ADJUSTABLE HEIGHT 2.2 INCH -- Adjustable Height 2.2 Inch, the fully expanded height is 10.7 inch, the fully compressed height is 8.5 inch, which suitable for short person .