Vibra-TITE VC-3 Threadmate, 30 ml Bottle with Brush Cap Applicator Locks and seals threaded fasteners of virtually any size Prevents fastener loosening due to shock and vibration Fasteners coated with VC-3 can be easily adjusted, removed, and reused For internal (female) or external (male) fastener threads Works with metal, wood, PE and PP plastic, and more