The power drill cleaning brush is designed well, smooth in shape, comfortable in hand, and can easily clean narrow corners, it will be your convenient cleaning tool. Suitable for cleaning cast iron, structural steel, and thin metal plates. Features - Color: Golden+silver. - Material: Copper. - Size: 11.80X1.50X1.50cm/4.64X0.59X0.59in. - Diameter Size: 8mm, 10mm, 12mm, 15mm, 17mm, 19mm. of them have shanks, which can be applied on ports, tubes, bearings and other common wire brush applications, enough quantity for your need. - These bore are made of stainless steel, strong and durable, which can clean rust and detail completely. - Twisted wire is for increased cleaning action, durable and abrasive. - These wire bore can be applied in your car, garage, office and kitchen. - Great for cleaning, polishing, painting, or rust removal in automotive, fabrication, machining and smiting applications and more. Package list: 6 x Bore