Ergonomic Office Chair, PU Leather High Back Office Chairs with Wheels and Arms, Adjustable Height Comfortable Executive Chair Home Office Desk Chair, 90-120 Degree Tilt, 250 Lbs Load, Black

Ergonomic Office Chair, PU Leather High Back Office Chairs with Wheels and Arms, Adjustable Height Comfortable Executive Chair Home Office Desk Chair, 90-120 Degree Tilt, 250 Lbs Load, Black

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

Subhtoh Universal Size Chair Cylinder Replacement Parts 4.0 inch Stroke Heavy Duty Gas Lift Cylinder for Office Desk Chairs/Gaming Chair,Hydraulic Piston Cylinder Heavy Duty 1000 LBs