The J. Dewey Parker Hale Style Brass Rifle Jag features all-brass construction with specialized side teeth designed for securely wrapping cleaning patches around the jag for effective rifle bore cleaning.J. Dewey Parker Hale Style Brass Rifle Jag for .270 caliberAll brass construction with teeth on side for patch wrapping12-28 female threads for secure attachmentCompatible with J. Dewey .30 caliber male threaded coated cleaning rodsAlso works for 7mm caliber riflesDesigned for precision rifle maintenance this brass jag provides reliable performance when used with compatible J. Dewey cleaning rod systems for thorough bore cleaning of .270 and 7mm rifles.