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

Chair base set: The package contains a universal cylinder, five high-quality casters, a metal chair base, and a hardware mounting kit.
Universal size: The office chair base measures 28 inches in diameter, the cylinder diameter is 50 mm (2 inches), and it features a universal caster socket size of 11 mm x 22 mm.
This set is compatible with almost all gaming chairs, office chairs, executive chairs, swivel chairs, and task chairs.
Stable metal base: This computer chair base is constructed from metal, offering stability and strength.
It can support loads of up to 2500 lbs.
4.7" stroke cylinder: The gas lift cylinder (Class 3) has a length of 268 mm and an extension length of 388 mm.
The stroke is 120 mm ( 4.7 inches).
Smooth and quiet rolling: The desk chair base casters utilize precision ball bearings to deliver smooth and quiet movement