Econaway Abrasives 1x18 Twenty-Five Piece Belt GENERAL Assortment-(Compatible with Work Sharp Ken Onion Knife & Tool Sharpener OPTIONAL BLADE Grinding Attachment-Model# WSSAKO81112) Five each of the following grit sizes 120, 180, 280,400,800 Fits Work Sharp-Ken Onion Edition Blade Sharpening ATTACHMENT Fits Work Sharp Home and Tool Sharpener Model WS-3000 MADE in the USA FREE SHIPPING