The surface of the pipe cleaning brush is designed to increase friction streaks, which is helpful compatible with us to strengthen our cleaning and achieve better cleaning results. Durable:The stainless steel tooth marks on the inner side have a strong hardness and a strong ability to remove rust. Packing quantity: you will get is 30 pieces of pipe cleaning brushes, including a set of 1/2 inch, 3/4 inch, and 1 inch; Each size has 10 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 compatible with applying better compatible withce and achieving better cleaning effect Wide range of uses: multi-functional manual rust removal tool compatible with 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 Colour:Red Material:PP + card clothing wire Package Contents: 10 x Copper pipe cleaners (1/2 inch) 10 x Copper pipe cleaners (3/4 inch) 10 x Copper pipe cleaners (1inch) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture