The Loctite LC229311 Threadlocker 271 is a high-strength, permanent red threadlocker designed to lock and seal threaded fasteners up to 25mm (1 inch) in diameter. This 24ml bottle provides excellent resistance to vibration loosening. It cures in the absence of air and in contact with metal surfaces, preventing leakage and corrosion. Ideal for applications where disassembly is not required or where components need to be permanently secured.