The Pro-Shot Products J6B is a unique, Benchrest quality spear tip brass jag that ensures the patch stays in place during cleaning. By draping the patch over the jag, you\'ll enjoy superior bore coverage for an efficient cleaning experience.For the optimal fit and results, we recommend pairing this jag with Pro-Shot\'s 100% cotton flannel cleaning patches. This product has an American Standard #8/32 thread and is clearly stamped with its size for easy identification.