Features:<br />1. The high-quality materials and excellent workmanship.<br />2. The electric mill dedicated sandpaper circle， used together with rubber roller<br />3. Nuclear carving， wood， metal， plastic， jade， circuit boards and other production DIY wide range of applications!<br /><br />Install sandpaper circle method: <br />--direct sandpaper ring rubber sleeve to the rod， then tighten the screw rubber rods， rubber rod will become drum， hold tight circle sandpaper.<br /><br />Packaged Includes: <br />12pc Sanding drum (shank diameter 1/8”)<br />4 each: 1/2" x 1/2"; 3/8” x 1/2"; 1/4” x 1/2”<br />90pc Sanding band <br />30pc 1/2” x 1/2” 120 grit pads<br />30pc 3/8” x 1/2" 120 grit pads<br />30pc 1/4” x 1/2" 120 grit pads