For .177 caliber airguns and .17 caliber centerfires. All cotton material wound on twisted brass wire with a closed-loop end. Brass threads and ferrule. .17 Caliber for .177 caliber airguns .17 caliber rimfires and centerfires. .20 Caliber for .204 Ruger and .20 caliber wildcats. Fits Dewey and Outers small caliber rods. Mfg: Dewey SPECS: 2 1/2" (6.3cm) long, 5-40 male thread.
