Weiler 36012 Vortec Pro Standard Twist Knob Wire Wheel, 5/8"-1/2" ArborHighlights: 4" (101,6mm) Coarse wire 5 8" 1 2" arbor 20,000 maximum RPM For all 4", 4 1 2" and 5" angle grinders with 5 8" 11 thread spindles Removes rust and cleans metal surfaces prior to painting Clamshell , SP+ WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www. p65Warnings. ca. gov