- Durable Heavy Metal Base: Crafted from high-quality chrome-plated metal, this office chair base features a polished and matte finish. The solid tubular iron structure, reinforced with screws, offers exceptional strength, supporting loads of up to 2400 lbs. - Enhanced Stability and Safety: With a wider diameter of 70 cm and a low center of gravity at 9.5 cm, this chair base ensures superior stability. It instills confidence for users weighing 1000 pounds or more, making it an ideal choice for various applications. - Universal Compatibility: This replacement base fits standard gas cylinders measuring 2" (5cm) and standard casters sized 7/16" x 7/8" (11mm x 22mm). It is suitable for a wide variety of chairs, including office chairs, computer chairs, gaming chairs, and executive chairs. - Simple Installation Process: Upgrading your office chair is straightforward and quick. Simply insert the wheels into the new swivel chair base, attach the gas springs, and transform your chair into a robust seating solution. Enjoy the ease of a brand new, reinforced chair in no time. - Practical Use Scenarios: This chair base is perfect for heavy-duty office environments, ideal for gaming setups requiring extended sitting periods, or useful for home offices where comfort and stability are paramount. Experience the exceptional quality and peace of mind that comes with this heavy-duty office chair base, designed to accommodate your needs in both comfort and durability.