You are viewing a Kraken Automotive Push-Lock hose end. This hose end can be used both temporarily or permanently and is 100% reusable. This fitting allows for 360 degree adjustment after assembly and must be used with push lock hose. Teflon tape and other sealing compounds are not needed as the machined 37 degree flare fitting does all the work when used correctly. If you're looking for a reliable fitting or to add some extra color to your engine bay, you've chosen the right brand.