Super Brush Swab-its .243 cal/6mm Gun Cleaning Bore-tips (6pk) Gauge and caliber specific, Bore-tips are tough, reusable foam tips engineered for 100% bore contact; spreading fluids more evenly than mops and patches without lint or fibers. Their non-abrasive foam allows them to be run in both directions, while their absorbency requires less solvent/lubricant. Washable and reusable, the .243 Bore-tip will clean your 6mm rifles as well as your .240. They affix to a standard rod with 8/32 threading.A bag contains 6 Bore-tips on a runner.Each tip can be used multiple times and should substantially outlast a similar priced bag of patches.Washable and reusableLint-free and fiber-free