JB Weld – Perma Lock Blue Threadlocker – Medium Strength

J-B Weld Threadlockers provide a reliable and superior lock and seal for threaded fasteners. Ideal on all mechanical parts, body assemblies, and hundreds of other applications to prevent loosening of fasteners from shock and vibration. J-B Weld Perma-lock Medium Strength Threadlocker is ideal for fastener applications requiring easy disassembly with hand tools.