Check the listing for details. New/Office Chair Base Replacement, 28", 2500 lbs Static Load Capacity, Heavy Dut. Color: Black, Condition: New. Listed at 38.10 USD. 【Description】●Universal Fit for Most Chairs: Upgrade your office chair with this versatile office chair base! Measuring 28 inches wide with a five-pointed star design, it fits most gas cylinders and casters thanks to its standard hole pattern. Whether you have a gaming chair, office chair, or executive chair, this base has you covered for a perfect match! ●Sturdy and Durable: Made from high-quality hardened steel, this office chair base replacement is tough and reliable. It handles frequent swiveling and movement with ease, staying stable even with heavy use. Enjoy a sturdy seat that supports you day in and day out. ●Stability You Can Feel: Our heavy duty office chair base is designed with a low center of gravity to provide strong support an.