#3501629 is a Type 4A2P Modified Thin Rim Grinding Wheel used on Foley-Belsaw Sharpeners for face grinding fine tooth saws with minimum tooth clearance between face of carbide and tooth back.
Fits Foley-Belsaw Models: 310, 310-16, 357, 367, 368
Note that to fit on these Foley-Belsaw Grinders, a 1 1/4" - 1/2" Bushing, Item#3700408 is required. Sold Separately