Weiler 1/2″ 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 parts. 1/4″ stem diameter for use on die grinder, drill, drill press and right angle air die grinder. A solid end construction. Very flexible brushing action. Ideal for more demanding light duty cleaning applications in corners and hard-to-reach areas. For use with drills, drill presses, die and right angle die grinder power tools. .