Weiler 3" Small Diameter Crimped Wire Wheel Brush provides a flexible brushing action and consistent performance for demanding light duty cleaning and deburring applications. Featuring Weiler's solid ring construction, these radial brushes are available in heat-treated steel, type 302 stainless steel and brass wire for use in a wide variety of applications. 1/2"-3/8" arbor hole for use on CNC/milling/automatic machine, die Grinder, drill, drill press, right angle die grinder and straight grinders.