LoctiteŽ Threadlocker Red OEM specified as 271 High temperature, high strength for heavy duty applications Designed for larger fasteners 3/8" to 1" (9.5mm to 25mm) Locks studs, bushings and large fasteners against vibration loosening Strengthens slip and light press fits Removable with heat and hand tools Suggested Uses Temperature range: -65 degrees to 300 degrees Fahrenheit (-54 degrees to 149 degrees Celsius) Use to secure metal to metal nuts and bolts on swing sets and ready-to-assemble furniture