About this item Packing quantity: you will get is 6 pieces of pipe cleaning brushes, including a set of 1/2 inch, 3/4 inch, and 1 inch; Each size has 2 pieces, which can be applied to clean pipes of different sizes Durable material: durable and thick poly 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 features Reasonable combination: in order to adapt to more sizes, we have combined 3 sizes of cleaning brushes and sold together, 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 effectively Practical design: there are cleaning teeth marks inside the copper tube brush, and stripes are set on the contact surface with the hand, which can increase the direct friction between the hand and the cleaning brush during our use, which is convenient for applying better force and achieving better cleaning effect Wide range of uses: multi-functional manual rust removal tool for metal, can clean steel parts, machinery, unprocessed metal parts, paint stains, special corrosion without affect the surface or its nice characteristics, cleaning, polishing, paint removal/ Rust removal, welding tools are very easy to make the pipe shine again