Feature Highlights: 1. 6-Size Versatility – This set includes stainless steel twisted wire hole brushes in 6 practical diameters: 8mm, 10mm, 12mm, 15mm, 17mm, and 19mm. Whether you're cleaning small fittings or wider pipes, there's a brush ready for the job. 2. Durable Stainless Steel Build – Made from wear-resistant stainless steel, these brushes resist rust and hold up well over time, giving you reliable performance wash after wash. 3. Drill-Powered Efficiency – Each brush features a 4-inch long hex shank that fits securely into any electric drill or grinder (tool not included). Let power tools do the hard work—tackle rust, debris, and burrs quickly. 4. Reach Tight Spaces Easily – The thin, flexible steel wires slip into narrow holes, tubes, and corners. Perfect for deep cleaning pipes, bolts, or parts that are tough to reach by hand. 5. Complete Cleaning Kit – You get 12 sturdy pipe brushes in total (2 of each size), neatly packaged and ready to handle a variety of cleaning, polishing, and deburring tasks around the home, garage, or workshop. Product Details: This pipe cleaning brush set is built to make deep cleaning simpler. The stainless steel bristles are tough on rust and residue but gentle enough not to damage surfaces. Just attach the hex head to your drill, and you can clean deeply inside pipes, fittings, automotive parts, and more—saving time and effort. The set covers a range of sizes so you’ll always have the right brush for different diameters and tasks. Specifications: - Material: Metal (Stainless Steel) - Sizes Included: 8mm, 10mm, 12mm, 15mm, 17mm, 19mm - Shank: 4-inch length, hexagonal head - Package Contents: 12 × Pipe Cleaning Brushes (2 pieces per size) - Color: As Shown Note: Slight color variations may occur due to lighting and screen differences. Size tolerance is +/- 1–3 cm. Only the listed items are included in the package.