Work Sharp WSSAKO81117 Extra Coarse Grit Belt Kit Kit includes (5) P120 Extra Coarse Grit Norton Ceramic Belts. 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. Does not fit WSKTS.