New Drum Sanding and Polishing Sandpaper Kit 51 Pieces Drill Attachment- Fits Dremel - Rubber Drum Mandrels Head - 1/2'', 1/4'' & 3/8'' Mandrel Shank Diameter:1/8 inch(about 3mm) Great for use in Electric Nail Drills and other drills using sanding bands Can be used for natural nails as well as artificial nails Sutiable for Professional salon, Studio or Home Use; Suitable for pedicure and manicure Drill attachments, useful kits for sanding, deburring