Work Sharp Fine X4 Grit Belt Accessory Kit Ken Onion Edition

X4 is equivalent to P3000. Bulk pack X4 abrasive belts (5 belts) for the Ken Onion Edition Knife & Tool Sharpener and the Tool Grinding Attachment. The Norton NoRAX X4 fine grit alumina oxide abrasive belt is intended for honing knives and scissors including fine edge, gut hooks and serrated blades.