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