IVY Classic 38923 4-Inch x 5/8-Inch - 11 Arbor, Stainless Steel Stringer Bead Wire Wheel - 0.020-Inch Coarse, 1/Card Cleans welds and removes flux in grooves in hard to reach places Precision balanced to eliminate vibration, threaded arbor for use on angle grinder Corrosion resistant stainless steel wire does not leave deposits that cause rust on stainless steel, aluminum and other non ferrous metals Wire Trim Length: 13/16-inch, Wire Diameter: Coarse 0.020-inch, Number of Knots: 30 Wheel Diameter: 4-inch, Arbor: 5/8-inch - 11, Max RPM: 12,500