Tru Blu™ Pipe Thread Sealant, 1 Pint, Can, Blue ORS NASCO General purpose threadlocker that provides General purpose threadlocker that provides a medium strength bond Seals and secures metal nuts and bolts to prevent loosening due to shock and vibration Works on all metals and better balanced design for maximum performance and accessibility Xtreme Leverage Technology (XLT™) increases performance and reduces hand fatigue Laser heat treated cutting edges perform better and last longer Precision machined knife and anvil style cutting edges ensure perfect mating for superior performance and longevity Forged high carbon US steel for maximum strength and durability is specially coated for ultimate rust prevention For refrigeration and industrial applications Recommended for use on galvanized steel PVC and CPVC pipe Ideal for use as positive lock and seal on threaded fasteners