20pcs Wire Steel Brass Brushes Polishing Brush Pen Set for Dremel Rotary Tool. Steel Brush will fit your hand drill. Use a brass brush to create a soft, satin or matte finishTotal length:50mm/1.96";Brush length:9mm/0.35";Brush diameter:5mm/0.19";Handle diameter:3mm/0.11. Pen Wire brush are applied to different angles of wood, metal materials, polishing and grinding all kinds of rough surface; Suitable for multiple places, such as in your car, garage, office and kitchen. Handle material: metal.Brush material: brass wire. Wire Brushes are made of steel, durable, long service life and it can be used on the toughest cleaning jobs.Good toughness, not easy to be broken, wearable, long life. Designed for easy access into narrow holes and confined areas, great for removing burrs, rust, dust, removing the oxide layer, also suitable for cleaning and polishing small areasGreat for polishing jewelry or other metal working uses. Brush material: Brass Wire Type: Brass Wire brush Size: Total length:50mm/1.96"; Brush length:9mm/0.35"; Brush diameter:5mm/0.19"; Handle diameter:3mm/0.11". Handle material: metal. Brush material: brass wire. Great for polishing jewelry or other metal working uses. Great for polishing or finishing metals such as gold, copper and brass. It is applicable for metal derusting, wood carving, jade polishing, etc. Package includes: 20pcs mini Brass Wire brush for polishing.