PRODUCT DESCRIPTION Hoppe's No. 9 Gun Bore Cleaner stands as the most trusted solution for removing powder, lead, and rust. Its unique formula quickly penetrates deep into the bore, ensuring a thorough and efficient clean. Known for its ultra-potent yet safe and easy-to-use nature, this cleaner has been a worldwide favorite since 1903. To ensure safety, it also comes with a child-proof cap. FROM THE MANUFACTURER In 1903, Frank August Hoppe crafted an unparalleled gun-cleaning solvent by blending nine chemicals. Since its inception, Hoppe’s No. 9 has earned a place alongside generations of hunters and shooters, solidifying its status as an essential tool in firearm maintenance.