The product is a pack of 6 new 16 gauge shotgun bore brushes by Outers. These bronze brushes feature a 5/16-27 thread outer design and are designed for heavy-duty cleaning. Made with quality bronze and nylon materials, these gun brushes are perfect for maintaining and cleaning your hunting or sporting goods firearms. The set includes 6 bore brushes, offering a durable and effective solution for gun maintenance. Made in the United States, these brushes are a reliable choice for gun enthusiasts looking to keep their firearms in top condition.