【Package Content】You will get One Spray gun pipe cleaning brush set.include 1 double-ended copper brush, 1 double-ended nylon brush, 1 double-ended stainless steel brush, 4 double-ended polymer picks. 【Cleaning Picks】The stainless steel pick helps scrape dirt and residue from hard-to-reach places, and the ploymer picks can be used to light cleaning and prevent scratching. 【Wire Brush Set】Our brushes have a large end and a small end for cleaning all sorts of spaces. The brass brush can easily remove hard carbon deposits, the nylon brush is perfect for sweeping away dirt and debris from interior door panels, trim pieces and dashboards, the copper brush is perfect for finer firearms and the steel brush can be used for heavy scrubbing. 【Wide Application】The all-purpose cleaning kit can be used for home, office, doors, windows, sliding doors, floor tiles, etc, suitable for cleaning steel parts, machinery, the unfinished metal parts, paint stains and corrosion without damaging surfaces. 【Instruction】Regular cleaning can ensure the safe operation of your machinery and maintain the lifespan, but it's inappropriate for overdue cleaning. Please choose the cleaning tool according to the needs.