BoreSmith Angle Brushes, Phos Bronze, 10-Pack, Small 1/8&rdquo; Diam Stems Our utility brushes have phosphor bronze filaments and black iron stems 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 to clean actions and star chambers Make your firearms Cleaner Faster Our utility brushes have phosphor bronze filaments and black iron stems 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