Replacement Abrasive Belt kit for the Work Sharp Knife & Tool Sharpener Ken Onion Edition Blade Grinder Attachment. Kit includes: (1) P120 Extra Coarse Grit Norton Ceramic, (1) X65 Coarse Grit Norton Nora 65 Micron Belt, equivalent to P220 (1) X22 Medium Grit Norton Nora 22 Micron Belt, equivalent to P1000, (1) X4 Fine Grit Norton Nora 4 Micron Belt, equivalent to P3000 and (1) 12,000 Extra Fine Grit Micro-Mesh belt . Belts are 1" x 18" and ONLY fit the Ken Onion Edition Blade Grinder Attachment and WS3000 Belt Sharpening System Attachment. Not for use on the WSKTS or base model WSKTS-KO. These premium grade, engineered abrasives are long lasting and designed for knife & tool grinding, sharpening and honing applications.