Permatex® 27010 High Strength Threadlocker Red Gel - pen 10 grOEM specified. The gel formula offers "liquid reliability" without drops, globs, rubbish or waste. Apply the thread locker exactly where you want it ... to the part! High-strength thread lock for heavy applications (10 mm to 25 mm). Particularly suitable for the permanent locking of press fits. Up to 3000 PSI holding power on slip and press fitting assemblies. Replaces screws and snap rings. Safeguards against vibrations. Possible heating and special tools required for dismantling. Compliant with ASTM D5363 AN0221 (Mil-S-46163A, Type I, Grade K).