The surface of the pipe cleaning brush is designed with friction-enhancing streaks to improve cleaning performance and deliver better results. Durable: The stainless steel bristles on the inner side are hardened for effective rust removal. Packaging: This set includes 6 pipe cleaning brushes — 2 each of 1/2 inch, 3/4 inch, and 1 inch — suitable for cleaning pipes of various diameters. Durable material: Features a thick, sturdy handle with high strength and long service life. Resists bristle wear, tearing, impact, corrosion, and flattening. Can clean unfinished metal parts without damaging surfaces or fine details. Practical design: Internal cleaning teeth on the copper wire brush, along with textured grip patterns on the handle, enhance hand-to-brush friction for better control and improved cleaning efficiency. Wide application: A versatile manual tool for rust and paint removal on metal surfaces. Effectively cleans steel parts, machinery, unprocessed metal components, and corrosion without harming the surface. Ideal for cleaning, polishing, paint stripping, rust removal, and welding prep to restore pipes to a like-new finish. Color: Red Material: PP + copper wire Package Contents: 2 x Copper pipe cleaners (1/2 inch) 2 x Copper pipe cleaners (3/4 inch) 2 x Copper pipe cleaners (1 inch) Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variations may occur due to lighting and monitor display differences. Measurement may vary by +/- 1-3 cm.