Permatex 26240 Permanent Strength Threadlocker Red, 36 ml Bottle A permanent, high strength product that is applied to fasteners 3/8" to 1" in size before assembly Designed for securing parts that must withstand heavy shock, vibration or extreme chemical or environmental conditions Lcoalized heating and hand tools are required to separate parts Suggested Applications: Assembly with air tools, cylinder block bolts, ring gear bolts, transmission shaft bolts