The SUPER-BRUSH .357/9mm Bore-Tips Cleaning Swabs, 6-Pack (41-0901) can be used for cleaning 9mm, .357, .38 and .380 cal airguns and firearms. This is one of the most unique and clever cleaning tools to come along in quite some time! The Bore-Tips will deliver only what you put on the foam pad. No more lint, no more loose threads, no more collapsed patches. They're easy to use and economical because you can reuse them.