Universal SizeThis gaming chair base replacement is suitable for most chairs on the market including Herman miller (office chair, game chair, office chair, executive chair). Casters: 7/16 inches x 7/8 inches (11 mm x 22 mm) and gas cylinder 2 inches (5 cm). Premium CraftsmanshipCrafted from top-grade chrome-plated metal, this heavy-duty base features a polished matte finish. Its robust tubular iron build, reinforced with sturdy screws, ensures enhanced load-bearing capacity and safety, supporting weights of up to 2500 lbs. Safety & Floor ProtectionOur office chair base replacement prioritizes stability, preventing floor scratches and enhancing safety by maintaining a low center of gravity. This not only safeguards your floors but also saves you from the costs of replacing your chair. Budget-Friendly SolutionOpting for a chair base replacement at a fraction of the cost of a new chair is a smart decision if your seat is still in good condition. Save money while r