The McCormick 3426822M1 is a genuine Loctite 243 medium strength threadlocker, supplied in a 50ml bottle. This versatile threadlocker is designed for the locking and sealing of threaded fasteners, preventing loosening from vibration. It is particularly effective on a variety of metals and is tolerant of minor contaminations of industrial oils, such as motor oils, corrosion prevention oils, and cutting fluids. Ideal for applications requiring a removable threadlocker.