Prevents loosening. Increases holding power of hardware- prohibits corrosion of threads due to weather- starts working in minutes, anywhere around the home. BBQ's, playsets, knobs hardware and more. Prevents loosening of screws.Increases holding power of metal hardware.Helps prevent corrosion.Use on BBQ's, knobs, outdoor or hardware.Starts working in minutes.Locks metal nuts, bolts and screws during assembly.