Weiler 3" Circular Flared Crimped Wire End Brush features 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 on stainless steel parts. 1/4" stem diameter for use on die grinder, drill, drill press and right angle air die grinder. Solid end construction with flexible brushing action. Crimped "Pre-Flared" wire fill to match the working angle of the brush at operating speed. Suited for addressing broad and slightly contoured surfaces.