Loctite#243 Threadlocker Medium Strength Loose and disappearing bolts are annoying and sometimes can ruin a ride. If you have a bolt that keeps trying to escape, you might want to try some threadlocker. The medium strength blue threadlocker is somewhat common in the bike industry offering a secure fit without being impossible to remove if the need arises. Features Primerless Threadlocker Threadlocker Strength Medium Threadlocker Color Blue Size 10m LBegins to Harden 5 min. Full Cure 24 hr. | Loctite | #243 Threadlocker Medium Strength | Blue | 10Ml