MaximalPower™ Professional Quality Hard COTTON Cotton Firearm Cleaning Patches For: Bore Firearm Cleaning Features: Patch Material: 100% COTTON Patch Shape: Square Soft yet strong 100% cotton patches are perfect for removing carbon and other debris. Works in the following bores: Patch Size: 2-1/4″ (9mm .357 .38 .40 .45) 2-1/4 inches Cotton Firearm Cleaning Patches for: 0.357″ to 0.450″ Bore Firearm Cleaning 20 Gauge Firearm Cleaning Patch Size: 2-1/4″ (2.25″ or 57mm) Cleans the most popular caliber/bore sizes: 9mm Luger, 0.38 S&W Special, 0.357 S&W Magnum, 0.357 SIG, 0.40 S&W, 10mm Auto, 0.44 Remington Magnum, 0.45 ACP, etc. Can clean any bore from 0.357″/9mm to 0.450″/11.43mm. Listing and template services provided by inkFrog