Tetra Gun Prosmith Premium One Piece Gun Cleaning Rods are made of high-grade steel coating with a protective finish against chemical and abrasion damage.  Features a composite spinning handle for added leverage.  Screw-on bushing. Brass collar.  Features standard industry threading 8/32 (5/32 for 17 cal., and 5/16-27 for shotgun).  Comes in reusable tube.