ZFE 150 Pcs Rotary Power Tool Set Fits Dremel 1/8" Shank Sanding Polish Accessory Bit Pack of 150 For cutting metal with limited use on wood and plastic. Cut-off wheels make it easy to cut or slot bolts, screws, sheet metal, thin wood, and plastic The cut-off wheel cuts only along its edge. Do not attempt to sand or cut curved holes with them.