BoreSmith Angle Brushes, Utility Brushes, Nylon, 3-Pack Nylon 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 heads Their long stems are good to clean actions and star chambers Make your firearms Cleaner Faster Nylon 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