Tipton's solid brass cleaning jags are the fastest way to thoroughly clean, dry, or oil your rifle's bore. Each jag is designed to provide a tight fit between the patch and the bore, ensuring optimal performance and a closer clean. With industry standard 8/32 threads (5/40 threads on .17 cal), this brass bore brush set will fit most brands of cleaning rods and should provide years of service. Kit includes .17, .22, .243/6.5mm, .270/7mm, .30, .338/8mm, .35/9mm, .375, .40, .44, and .45 caliber jags.