2" Long Sanding Drum Sleeve Set Drill Press Spindle Sander 16 pc Set Sandpaper Extra long drum sanding set converts your drill or drill press into a mini spindle sander. Ideal for use to smooth out rough edges and cuts. Sand the inside surfaces and edges of up to 2" deep holes. Clean up bandsaw marks on contour cut. includes: Four expanding drums in sizes: 1-1/2" x 2", 1" x 2", 3/4" x 2", 1/2" x 2". A selection of four popular sizes rubber sanding drums complete with three 50, 80, 120 grit abrasive sleeves for each drum. Excellent for sanding holes, edges, contours, and irregular shapes.