- 28" wide heavy duty aluminum replacement office chair base
- Free Shipping
- HD - Built to hold more weight and withstand more abuse than standard chair bases
- Fits almost all average chairs with standard gas cylinders that have a 2" (50mm) center support column
- Great for use as a replacement chair base or in new applications
- Accepts standard casters with 7/16" x 1" mounting stems (11mmx25mm)
- High quality black powder-coat paint finish
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