The Hoppe’s No 9 Gunsmith’s Bronze Brush is a set of bore brushes designed for deep cleaning firearms in .22 & .30 caliber. Made of bronze, these brushes are reusable and feature an 8/32 thread for secure fitting in your gun. The set includes one pair of brushes, each with a unique design for efficient cleaning. Proudly manufactured in the United States, this product from Hoppe’s is a must-have for gun enthusiasts looking to maintain the performance of their firearms.