Outfit your semi truck to be Ready for the Road Ahead™ with ultra-secure threaded connections, with the Permatex High Strength Thread Locker. This replacement formula uses an advanced blend to lock and seal threads upon contact, preventing pipes, hoses, or other similar pieces from leaking. Crafted with top-tier holding power to add 3,000 psi to slip and press fit assemblies. FleetPride is your First Click in Heavy Duty®.