Mastery Mart 28 Inch Office Chair Base, Heavy Duty 2400 Lbs, Reinforced Metal Desk Chair Replacement, Universal Gas Cylinder Hole Caster Socket, Matte Black

Universal Size: Suitable for most chairs on the market including Herman miller (office chair, game chair, office chair, executive chair). Supports casters measuring 7/16" x 7/8" (11 mm x 22 mm) and gas cylinders with a 2" (5 cm) diameter.

Premium Craftsmanship: Crafted from premium chrome-plated metal, this heavy-duty base features a sleek matte finish.tubular iron construction with heavy-duty screws provides superior load-bearing capacity and stability, supporting weights of up to 2400 lbs.

Safety & Floor Protection: Maintains a low center of gravity to prevent tipping and floor scratches.Protects your flooring and saves you from the cost of buying a new chair. Budget-Friendly Solution: Replacing just the chair base is a smart and cost-effective solution if your seat is still in good condition.Save money while keeping your favorite chair in use.

Satisfaction Guaranteed: Easy to install and replacement with simple and clear instruction sheet. If this doesn't fit your chair, you can simply return it.