About this item

• High quality fittings, long life of the casters, wear-resistant, durable and strong bearing capacity.
• Ideal for everything from DIY to industrial applications, homes, schools, shops and hospitals.
• Universal standard size: 11mm * 22mm universal size rod for all office chair bases with 7/16″ industry standard mounting holes. (Note: The interface mounting size is 11 mm, please purchase according to your chair.)
• Rugged and durable – twin wheel casters, 130 pounds per wheel! A set of 5 people can hold 650 pounds; sit about 2 adult males and 1 child.
• FLOOR PROTECTION: Wear-resistant polyurethane PU casters with black rubber edging, quiet rolling, no noise and scratches, suitable for hardwood floors, carpets and tiles