Gas Lift for Office Chair, High Stool, Sitting Standing, Height 43 to 67 cm Universal Metal Piston Class 3 Black

✔️HIGH OFFICE CHAIR REPLACEMENT STRUG & SIT STANDING SEAT - Easily repair your office chair with this universal gas lift. Ideal for replacing the cylinder of office chairs and high stools, swivel, with adjustable seat height. Cylinder height from 43 to 67 cm ✔️ UNIVERSAL COMPATIBILITY: Standard diameter 5cm at the base of the cylinder and rod diameter 2.2cm. Cylinder suitable for most office chairs and stools, with penny without tilting mechanism. Recommendations: To choose the correct cylinder size, compare the dimensions of your cylinder to be replaced with those shown in the product images ✔️ Easy Installation: Quick change, no specific tools. To remove the old cylinder, turn the chair over, tap on the star foot, then unscrew the jack from the seat of the chair. Install the new one: Remove the orange cap, insert the jack into the seat mechanism, then fit the star leg at the base of the cylinder. It's done! Suitable for both private and professional use ✔️ Reinforced strength: Class 3 certified cylinder, recommended use 200 kg maximum in its axis and 120 kg in rocker. Reliability, longevity and safety ensured thanks to a robust metal body ✔️ Environmentally friendly and economical: avoid changing chairs, extend its life by replacing the defective part