The Universal Cleaning Kit GCK-007 is a comprehensive gun cleaning set designed for deep cleaning of .38, .357, and 9mm caliber firearms. The set includes brass brushes, wool brushes, extension rods, bristle brushes, and a handle, all made from durable brass and plastic materials. The kit comes in a compact case for easy storage and transportation, making it ideal for hunters and sporting goods enthusiasts who want to keep their firearms in top condition. The kit offers a variety of colors including blue, red, black, and gold, giving users a range of options to suit their preferences.