These jags are designed in a wrap style with a blunt nose, ensuring a secure grip on patches. They are highly effective for use with J-B or when applying solvents like Sweet's. Parker Hale style jags are available with either male or female threads. The male or female threads correspond to the standard threads for the selected bore diameter. The female style is compatible with Dewey coated rods, while the male style is suitable for Dewey stainless rods and other brands that use standard cleaning rod threads. .50 Cal brass parker hale-style jag - female threaded Entirely constructed from brass, featuring side teeth designed for securely wrapping a patch around the jag 12-28 female thread Compatible with J. Dewey .30 Cal, .35 Cal and .50 Cal male threaded coated cleaning rods