Replacement Gas Struts for Office Chair Office Chair 450kg Load Capacity Class 4 Piston Gas Pressure Spring 1000LBS Adjustable Gas Spring for Chair (30-45cm)

【Universal Size】Please check the dimensions before buying.Standard cylinder diameters: cylinder outer diameter 50mm, cylinder inner diameter 28mm, tail diameter 42mm.Gas spring — minimum length: 300mm, maximum length: 450mm, adjustable stroke: 150mm.
【High Capacity and Toughness】Designed to hold up to 450 kg (1000 lbs), our office chair is made of high quality thick alloy steel, ensuring exceptional strength and durability. Ideal for heavy-duty office chairs, executive chairs, gaming chairs and much more, it can handle the most demanding users, providing additional reliability over standard models.
【Safety and Quality Certified】Our office chair is rated level 4, the highest safety standard for chair cylinders. It has passed rigorous testing by SGS and is certified by TÜV and BIFMA, ensuring explosion-proof performance and rust resistance. This means you can count on it to deliver long-lasting safety and performance, even in everyday heavy use.
【Silent and smooth operation】Enjoy smooth and silent 360° rotation with this gas spring. The advanced hydraulic system ensures quiet operation without wobbling or squeaking, allowing you to focus and move freely without disturbing others. Whether adjusting height or swivelling, the gas lift provides a smooth, snag-free experience.
【Upgrade Your Chair In Minutes】Replacing your old gas spring has never been easier. Thanks to a simple installation process, you can replace your old plunger that sinks in just 5 minutes. No special tools needed: remove the old one, insert the new gas spring and go! This quick and simple solution will restore the full functionality of your chair, saving you from buying a new chair.
【Versatility and Universal Compatibility】Designed to fit 99% of office chairs with standard 50mm (2 inch) center holes, this replacement gas lift is compatible with work chairs, executive chairs, gaming chairs, living room chairs and much more. With an adjustable travel length from 300 mm (11.8 inches) to 450 mm (17.7 inches), this cylinder allows you to adjust the height of your chair for a perfect sitting position. Effortless height adjustment ensures your chair adapts to your needs, whether you prefer a high, medium or low position.