This handwheel is for Craftsman Belt Drive Table Saw Models 315.228310, 315.228390, 315.228410, 315.228490, 315.228510, 315.228590, 315.228930, and 315.248200. It will not fit models that are not listed. It will not fit non-belt drive 315 models and will not fit any 113 series belt drive models.. 4 1/2" Diameter Handwheel with a 12mm Bore, Fts 12mm round or "D" shaped shafts and attaches with a set screw. Used on the blade elevation and tilt shafts. This handwheel attaches differently than the original. The attachment method is detailed in the last three photos Replaces Sears Part Numbers: 979918-001, 979918-02 & 977227-002 This handwheel can be used to replace the plastic and thin wall diecast handwheels originally used on Craftsman 315.xxxxxx series belt drive table saws: 315.228310, 315.228390, 315.228410, 315.228490, 315.228510, 315.228590, 315.228930, and 315.248200. It will not fit any models not listed. If you have a 113 series belt drive table saw please see our other listings for handwheels with 3/8" and 1/2" diameter hub bores.