Extra-long jag with raised, ribbed segments to press more of a patch’s surface against the bore to absorb more fouling. Fit Dewey Stainless, Rig, and Hoppe’s rods. Require adapters when used with Dewey Coated Rods. 17 and 20 caliber male threaded jags do not need adapters to fit into the 17 and 20 caliber coated rods.