The PatchWorm .177 cal Kit is perfect for those bores in .177 airguns and all .17 cal / 4.5 mm centerfires and rimfires. Rifle rods are 36" from tip to head (not including the extra "tail" for easy extraction should the rod get stuck for any reason); pistol rods are 20". Includes a dozen dry 7/8" round cotton patches in a reusable flip-lid storage container. Packaged in a durable poly zip pouch.