Remove burrs, rust, dust and oxide layer.For coating to improve the quality of metal and stone and produce high economic efficiency.For polishing and grinding various rough surfaces of different wood and metal materials and so on.It is anti-rust and durable with long service life.Material: Stainless steelColor: Photo ColorScope: for metal surface polishing, antirust and so on.Diameter: about 3 mm / 012inLength of wire brush: about 50mm / 197inThread Size(approx.): L x W: 40 x 25mm / 157 x 098inPackage Contents:6 * copper wheel brush6 * stainless steel wheel brush12 * copper wire brush12 * stainless steel wire brushOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.