Type 4A2P General Purpose Grinding Wheel 6" x 1/4" 120 Grit Made in the USA has a grit concentrate of

has a grit concentrate of 75 and is typically used dry

#33 on the Parts Diagram in the Manual

The finer edges of these knives are more delicate because the steel is not as tough (harder is generally less tough) and it is sharpened to a finer angle

Both the Honing/Deburring and Finishing Abrasive Sheets are sold individually for use as replacements

Type 4A2P General Purpose Grinding Wheel 6" x 1/4" 120 Grit Made in the USA has a grit concentrate of#3570349 is a Type 4A2P Diamond Grit Wheel for Face, Top and Side Grinding on Foley Belsaw Carbide Grinders. 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