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

Features

• EASY INSTALLATION: No need spending hours to remove your chairs old broken cylinder, you can remove broken piston and install our gas lift for chair easily. We will also make sure to help guide you if you need.
• HEAVY DUTY CLASS 3 PISTON CHAIR: our office chair piston passed the top-level test of BIFMA and TUV certification, lifting up and down 100000 times.
• ADJUSTABLE CHAIR CYLINDER: 100mm Class 3 piston, extended total length 345mm, 360 degree rotation to all directions, freely lift and rotate your chair smooth and quietly.
• EXCELLENT ALTERNATIVE PARTS: Save your money is our goal. If your chair sinking, you don’t need to buy new chair directly. Choose our piston can save your money.
• UNIVERSAL SIZE THAT FITS MOST CHAIRS: Outer cylinder diameter 51mm (2 inches). Inner cylinder diameter 28mm (1.1 inches) fits the salon chairs, executive chairs, work chairs, rolling stools on the market, and has a better load-bearing capacity.