This solvent resistant cleaning rod is durable and adjustable. Constructed from carbon fiber, the Tipton Max Force Cleaning Rod eliminates bent and broken rods. With an adjustable design, you can easily clean firearms chambered from .17-.20 caliber. Easily apply the force needed for cleaning next to the bottle neck section you need it applied. Simply slide the handle and then set it in place with a push of your thumb. The cleaning rod rotates freely on ball bearings even when the handle placement is set.