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 sizes Durable 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 features Reasonable combination: in order to adapt to more sizes, we have combined 3 sizes of cleaning brushes and sold , so you can deal with the situation 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 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 effect Wide 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 very easy to make the pipe shine again Colour:Red Material:PP + card clothing 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) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.