Weiler 1" Crimped Wire End Brush features a solid end construction and very flexible brushing action. Ideal for more demanding light duty cleaning applications in corners and hard-to-reach areas on brass, aluminum, bronze, copper, high-nickel alloys, inconel, pewter, patinum, silver, stainless Steel, titanium, tool steel and rubber parts. 1/4" stem diameter for use on die grinder, drill, drill press and right angle air die grinder.