Offering variety and savings, the Multi-Pack offers five caliber specific Bore-tips sizes. These are tough, reusable foam tips engineered for 100% bore contact, spreading fluids more evenly than mops and patches without lint or fibers. Washable and reusable, they affix to a standard rifle and pistol rods with #8-32 thread. The multi-pack contains 28 swabs: six .22/5.56, six .357/9mm, six .30/7.62, five .40/10mm and five .45/11.5mm. Features: This contains multiple runner - .22cal, .30cal, .357cal, .40cal and .45 cal Includes (28) bore-tips Each tip can be used multiple time and should substantially outlast a similar priced bag of patches Washable and reusable Lint-free and fiber-free