BoreSmith Angle Brushes, Utility Brushes, Phos Bronze, 3-Pack The pencil-type design allows you to put your arm's force through the brush axis More force means more cleaning friction This is to use our angle brush to push a small patch into spot to clean Phosphor bronze small, medium, and large Their small heads make it possible to reach where you could not, into corners, cavities, channels, crevices, holes, and edges Pencil-type design transfers more force from your hand/arm into the brush head Their long stems are good for cleaning actions and star chambers Make your firearms Cleaner Faster