Cyclo Blue Medium Strength Gel Threadlocker - 6 ml, (Pack of 6) Locks and seals like a liquid with the benefits of a gel - no drips, mess or waste For fasteners 1/4 inch to 1 inch (6 to 25 mm) Viscosity CP: 75,000/900,000 Break/Prevail (inch pounds): 115/50 Use on tools, pumps, compressors, gear boxes, bolts (mounting, pulley, coupling)