Heavy Duty Gas Lift Hydraulic/Pneumatic Piston for Office Chair,28'' Heavy Duty Office Chair Base Replacement

[Ensure Safety Chair Bottom] Improper height can cause instability, potentially leading to tipping or a broken base.
The newly upgraded office chair base is engineered for improved stability.
Widened to 28 inches, the base distributes weight evenly for enhanced durability.
[High-Quality Craft Materials] The heavy-duty base is made from premium chrome-plated metal with a polished, matte finish.
A solid tubular iron structure, reinforced with screws, offers greater load-bearing capacity and safety, supporting up to 2200 lbs.
[Adjustable Height 5.5 Inches] The fully compressed piston height is 11.4 inches, and the fully extended height is 16.9 inches, providing an adjustable range of 5.5 inches for a higher seating position (Note: taller than a standard cylinder; please verify measurements before purchase).
Durable and built for high performance, the gas lift cylinder is designed to handle greater weight and pressure, with improved safety and explosion-proof features.
The gas lift cylinder has passed official SGS testing and BIFMA certification.
It is constructed from premium, thickened outer steel to ensure adherence to quality standards