The J. Dewey Brass Handgun Jag is designed for .44 and .45 caliber firearms with 8-32 male threading for reliable cleaning rod attachment.J. Dewey .44/.45 Caliber Brass Cleaning JagAll brass construction with pointed tip design8-32 male threads for secure attachmentCompatible with J. Dewey 8-32 female threaded cleaning rodsWorks with any cleaning rods featuring 8-32 female threadsEssential for proper handgun maintenance this durable brass jag ensures effective cleaning patch attachment and smooth operation through your firearm's barrel.