Fine Grit Replacement Abrasive Belt Kit for the Work Sharp Knife & Tool Sharpener Ken Onion Edition (WSKTS-KO). Kit includes (5) X4 Fine Grit Norton Norax 4 Micron Belts (P3000 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.