Weiler 1-1/4″ Circular Flared Crimped Wire End Brush features crimped wire fill which has been “pre-flared” to match the working angle of the brush at operating speed and suited for addressing broad and slightly contoured surfaces. 1/4″ stem diameter for use on die grinder and right angle die grinders. Crimped wire fill which has been pre-flared to match the working angle of the brush at operating speed. Suited for addressing broad and slightly contoured surfaces. For use with die grinder and right angle air die grinder power tools. . .