Thompson Center All Purpose Anti Seize 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. This lubricant withstands high operating temperatures and prevents fouling or powder residue from binding breech plugs. Thompson Center All Purpose Anti Seize Super Lube also protects threads and other metal surfaces from corrosion. It comes in a handy 1/2 ounce tube for easy application.