Eastern Maine Shooting Supplies, Inc. EMSS7411 Brass Jag Use With The Following Caliber: .75 Thread: 8/32 Solid Brass Cleaning Jags Are Designed To Hold Patches & Reach Down Into The Breech Area Of Barrels. For Best Results, Round Cotton Patches Are Recommended. *Please Note That All Of The Brass & Aluminum Supplies Are Made On Site. Sometimes Machine Setup Is Involved If Our Inventory Is Low. This Might Lead To A Slight Delay In Shipping Time. If That Is The Case, I Will Always Email You And Let You Know In Case You Need To Cancel. Thank You For Your Understanding. Please Visit Our Store For More Sizes And Choices