Check the listing for details. Permatex 24240 Medium Strength Threadlocker Blue, 36 ml, Automotive Threadlocker. Condition: New. Listed at 27.99 USD. It also protects threads from corrosion and is removable with hand tools for easy disassembly. Threadlocker Blue also seal the threads against leakage, preventing rust and corrosion. Lock It In - Permatex Threadlocker Blue All-purpose Formula Locks And Seals Bolts To Prevent Parts From Loosening Due To Vibration And Protects Threads From Corrosion.