??? 3/4-Inch dia by 1-Inch replacement sleeves are designed to be used with Big Horn 19530 15-Piece General Purpose Sanding Drum Set, sold separately ??? No-lap aluminum oxide resin bond sleeves ??? Excellent for sanding holes, edges, contours and irregular shapes ??? Comes in a Plastic Bag with Sticker ??? Includes: 3 x 50 Grit - Coarse | 3 x 80 Grit - Medium | 3 x 120 Grit - Fine