Set of 4 Aluminum Threaded Rods 10.25" 26cm ea. Rifle Gun Cleaning Universal 7mm Specs: - Quantity: 4 Rods - Rod Length: 26cm = 10.25" - Rod Diameter: 7mm = 0.27" (just over 1/4") Rods have a Female end on one side and a Male end on the other, so they are meant to be joined together. 2 rods connected together are 20.5" long. 3 rods are 30.75" long and 4 rods give you 41" total length. These Rods attach to a standard T-handle of a Universal Gun Cleaning Kit. They can be used for Rifle Barrel Cleaning or for other Metalworking or General Projects Can be used for calibers like: 223, 5.56, 9mm, 380 and larger. * Note: These rods are too big for a 22 lr.