Coarse Grit Replacement Abrasive Belt Kit for the Work Sharp Knife & Tool Sharpener Ken Onion Edition (WSKTS-KO) Kit includes (5) X65 Coarse Grit Norton Norax 65 Micron Belts (P220 equivelent). Belts are 3/4" x 12" and ONLY fit the Ken Onion Edition Sharpener and Tool Grinding Attachment. These premium grade, engineered abrasives are long lasting and designed for knife & tool sharpening and grinding applications. Belts are manufacted in the USA by Norton Abrasives for Work Sharp.