28 Inch Office Chair Metal Base Replacement Heavy Duty Computer Chair Base Part with 5 Casters 1 Gas Lift Cylinder (Silver)

Chair Base Set: The package contains a universal cylinder, 5 high-quality casters, a metal chair base, and a hardware mounting kit.
Universal Size: The office chair base features a diameter of 28 inches. The cylinder diameter is 50 mm (2 inches). The universal caster socket size is 11 mm x 22 mm. Compatible with almost all gaming chairs, office chairs, executive chairs, swivel chairs, and task chairs.
Safe for All Floors: The casters are equipped with precision ball bearings for smooth and quiet movement and are designed not to scratch or damage flooring.
4.7" Stroke Cylinder: The Class 3 gas lift cylinder has a length of 268 mm and an extension length of 388 mm, with a stroke of 120 mm ( 4.7 inches).
Stable Metal Base: The computer chair base is made from metal for stability and strength, with a load capacity of up to 2500 lbs