Super Lube® is a hard working synthetic based lube containing Teflon®, which seals the threads of muzzleloading breech plugs as well as shotgun choke tubes. Withstands high operating temperatures and prevents fouling or powder residue from binding breech plugs. Also protects threads and other metal surfaces from corrosion. In a handy .5 oz. tube for easy application. For more Muzzle Loading Accessories Click Here!