Otis Technology solid brass 10-Piece Gun Cleaning Jag Set Otis brass gun cleaning pierce point jags are caliber specific to ensure a proper fit between the patch and bore and are designed for use with Otis gun cleaning rods. The pointed design keeps your patch centered and allows it to fall off easily once the jag exits the muzzle. The solid brass makeup means that the jag will not scratch or damage your firearm. Includes 1 each: .17 caliber jag with 5-40 threads .20-204 caliber jag with 5-40 threads .22-.243 pierce point jag with 8-32 threads .25-6.5MM pierce point jag with 8-32 threads .270-7MM pierce point jag with 8-32 threads .30-8MM pierce point jag with 8-32 threads 9MM pistol jag with 8-32 threads 40 CAL pistol jag with 8-32 threads 44 CAL pistol jag with 8-32 threads 45 CAL pistol jag with 8-32 threads Made in the USA