The surface of the pipe cleaning brush is designed to increase friction streaks, which is helpful for us to strengthen cleaning and achieve better cleaning results.Durable:The stainless steel tooth marks on the inner side have a strong hardness and a strong to remove rust.Packing : you will is 6 pieces of pipe cleaning brushes, including a 1/2 inch, 3/4 inch, and 1 inch; Each size has 2 pieces, which can be applied to clean pipes of different sizesDurable material: durable and thick handle, high strength, strong durability, long service life, can resist the abrasion, tearing, impact, corrosion and flattening of bristles, it can clean unfinished metal parts, and will not affect the surface or fine featuresReasonable combination: in order to adapt to more sizes, we have combined 3 sizes of cleaning brushes and sold , so that you can deal with the situation that different sizes of pipes need to be cleaned at any time, and complete the cleaning work more effectivelyPractical design: there are cleaning teeth marks inside the copper tube brush, and are set on the contact surface with the hand, which can increase the direct friction between the hand and the cleaning brush during use, which is convenient for applying better force and achieving better cleaning effectWide range of uses: multi-functional manual rust removal tool for metal, can clean steel parts, machinery, unprocessed metal parts, paint stains, corrosion without affect the surface or characteristics, cleaning, polishing, paint removal/ Rust removal, welding tools are easy to make the pipe shine againColour:RedMaterial:PP + card clothing wirePackage Contents:2 x Copper pipe cleaners (1/2 inch)2 x Copper pipe cleaners (3/4 inch)2 x Copper pipe cleaners (1 inch)