Dynatex Blue Medium Strength Threadlocker ensures you are Ready for the Road Ahead , preventing virtually all leakage, vibration, and shock by curing between engaged threads to form a unitized assembly. For service, this threadlocker is easily removable with hand tools. Eliminate the need for stocking lock nuts and lock washers by applying this heavy duty anaerobic threadlocker prior to assembly. FleetPride is your First Click in Heavy Duty .