The metal bore brush has a hanging hole at for easy storage and management; the bristles part is flexible and elastic to reach some narrow pipes and areas, suitable for cleaning the inside of all kinds of hoses or curved pipes, and it can also be inserted into small round holes like bolt holes to flexibly respond to a variety of cleaning needs, including removing rust, polishing, spraying paint, and cleaning all kinds of hard-to-reach corners The metal handle is made of twisted steel, strong and sturdy, and the bristles have the right flexibility to fix firmly on the handle and not easy to fall off. The metal bristles are made of stainless steel and brass, to abrasion and wear, whether for heavy cleaning or fine cleaning, it is easy to handle, and 't lose its effect in long-term use Each metal tube brush is approximately 12 inches in length, and the bristle area contains 5 widths, 0.7 inches, 0.5 inches, 0.4 inches, 0.3 inches, and 0.23 inches, making it easy to choose the right tool according to the size and shape of the specific cleaning object. Note: Lubricant is applied during the production process, it is normal to receive products with lubricant This metal pipe brushes set contains 10 stainless steel bristle cleaning brushes and 10 brass bristle cleaning brushes, total 20 pieces. Providing you with diverse choices to meet the needs of different occasions and cleaning tasks. Whether for home use or industrial applications, you can rely on it This long wire brush is suitable for household places such as cars, garages, offices and kitchens, as well as industrial areas such as automotive, manufacturing, machining and smelting. It can clean all kinds of pipes, pipes, narrow tubes, sink drains, etc., and cope with all kinds of complex cleaning tasks, Manufacturer: Littimoon