Crandall Office Furniture’s aftermarket Polished Aluminum Chair Base is a 27.5″ diameter replacement chair base. Manufactured out of high quality polished aliuminum to OEM specs. Made to fit standard gas cylinders using a 50mm hub, and standard 11mmx25mm caster sockets.
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Fits most standard ergonomic desk chairs with standard gas cylinder, including by not limited to: Steelcase 462 Leap, Steelcase 645 Think, Steelcase 461 Drive, Steelcase Turnstone Line, Herman Miller Aeron, Herman Miller Ergon, Haworth Improv, Haworth Zody, Haworth Accolade.
- 700mm (27.5 inch) Diameter
- 350mm Radius to Outside of Leg
- 328mm Radius to Center of Caster Stem
- 50mm Tapered Hub
- 42mm Caster Barrel Diameter
- Standard 11mm x 25mm Caster Socket
- 80mm Base Height