About this item Package Content: you will receive 4 pieces of brass brushes; 4 pieces of nylon brushes and 4 pieces of stainless steel brushes Reliable Quality: these bristles of our brush are made of durable nylon, copper and stainless steel,with 3 colors of bristles corresponding to 3 different hardnesses; They are easy to use, and all have plastic handle, which have a long service life Nice Tool: Our cleaning brushes are all equipped with strong brush for cleaning shootgun, metal, plastic, meeting the needs of different occasions.these one single-head brushes are nice for everyday use and can be applied on virtually most surfaces. The single-head design is easy to use and protected from scratches Applicable Occasions: the all purpose cleaning brush set can be applied to different kinds of goods to clean welding slag and rust, such as carburetors, cars, stubborn dirt stains at home, and so on