Ballistol FlexClean Bore Cleaning Rope .22 - .24 / 5.56-6.2mmBallistol FlexClean Bore Cleaning Rope . 22 . 24 5. 56 6. 2mm Convenient and User Friendly: It's compact and easy to use; Easy to Use: No need for fieldstripping or disassembling the firearm; Versatility: Suitable for handguns, rifles, and shotguns; Non Abrasive: Prevents damage to internal bores; Quick Identification: Color coded and engraved by size for easy identification; Enhanced Cleaning: Optimized to work with Ballistol for superior cleaning;