Big Horn 19521 Sanding Drum Set lets your drill press do double duty as a spindle sander. You'll be ready for virtually every job with this quality set of drums and sleeves. Includes five expanding drums in sizes 1-1/2" by 2-1/2" , 1" by 2-1/2" , 3/4" by 2-1/2" and 1/2" by 2-1/2" . Also includes two sets of sleeves (two fine sets and two coarse sets). These drums will also work in hand drills for freehand sanding use. A selection of four popular size rubber sanding drums complete with two 120 and 80 grit abrasive sleeves for each drum.