Chair base set: Included in the package: a universal cylinder, 5 high quality casters, a metal chair base, a hardware mounting kit
Universal size: Office chair base is 28 inches in diameter, cylinder diameter is 50 mm (2 inches), universal caster socket size (11 mm x 22 mm). Compatible with almost all gaming and office chairs, executive chairs, swivel chairs and task chairs
Stable metal base: The material of this computer chair base is metal, which is stable. Stable metal material provides a strong chair base. It can load up to 2500 lbs
4.7" stroke cylinder: The gas lift cylinder (Class 3) length is 268 mm and the extension length is 388 mm. Stroke 120 mm (4.7 inch)
Smooth and quiet rolling: The desk chair base casters use precision ball bearings to provide smooth and quiet movement
