Tetra Men's ProSmith Premium Universal Shotgun Rod, 0.17-0.204-Calibur Tetra prosmith one piece cleaning rod Features Delran spin handle, brass collar, screw-on bushing & bore guide Uses industry standard 8/32 threading Made in USA Made of 303 steel with chemical resistant DuPont tufcoat ProSmith Rods cleans barrels quickly and easily without risk of damage 34-inch DuPont TufCote coated rod Made from 5/16-inch diameter stainless steel Also used for black powder firearms Made with 5/16-27 thread