The DEWALT DW4930 Cable Twist Wire Wheel consists of .020-inch carbon wire that is 100 percent inspected by the manufacturer for consistency, smooth performance, balance, and safety. The high-quality wire grades are constructed with an internal holding plate for perfect balance and consistent performance. Use the DW4930 wire wheel with 5/8-inch arbor for deburring, edge blending, rust removal and surface preparation. With a maximum speed of 20,000 RPM, the DW4930 can handle even the toughest jobs with ease.