The Hoppe’s 9 Phosphor Bronze Brush is specifically designed for cleaning 20 gauge shotguns. The brush features a gold and copper color and is made of durable phosphor bronze material. It comes as a single item in the set and is perfect for maintaining the bore of your firearm. With the trusted brand of Hoppe’s, this brush is a reliable and efficient tool for keeping your shotgun in top condition for both hunting and sporting activities. Made in China, this bore brush is a must-have for any gun enthusiast looking to properly care for their firearm.