Add to Cart First Class School Chair - Mobility Base ONLY - Small First Class Retail: Now: $225.00 Was: The Mobility Base with casters is an optional accessory that enhances the functionality of First Class School Chairs. The base converts the school chair into a mobility chair. The set includes four... 313830 SKU: 313830 Availability: Typically Ships in 1 week Weight: 12.00 LBS