Bore-tips1 are a tough, reusable foam tips engineered for a specific tight bore fit providing a 360 contact with all the lands and grooves of the rifling. No more messing with jags or having to load poor fitting patches to the cleaning rod. Bore-tips thread onto a standard 8-32 cleaning rod. They are both reusable and can be washed, offering a very economical way to keep your firearm clean.