Loctite 290™ Medium-Strength Wicking Grade Threadlockers Medium/high strength, wicking grade threadlocker designed for locking and sealing threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need for disassembly prior to application. Product cures when confined in the absence of air between close-fitting metal surfaces. Prevents loosening and leakage due to shock and vibration. Can also fill porosities in welds, castings and powdered metal parts Pack of 1