Weiler 3″ Polyflex Encapsulated Small Diameter Crimped Wire Wheel Brush features an encapsulation that gradually wears away to expose a consistent short trim for higher aggression, controlled brushing action and longer life. 1/2″ arbor hole for use on straight grinders, bench/pedestal grinders and buffing lathes. 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. Feature an encapsulation that gradually wears away to expose a consistent short trim for higher aggression, controlled brushing action and longer life. Identifiable by their copper center, Weiler’s small diameter crimped wire wheels feature a plain arbor hole for use on a variety of portable tools and stationary machines. 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. . .