Flare-Nut Wrench vs Open-End Wrench: Which Protects Brake Line Fittings?
The short answer For a brake line fitting that is still in decent shape, a flare-nut wrench is the safer choice. Its closed end surrounds most of the hex, spreading force across more flats than an ordinary open-end wrench. That reduces the chance of rounding the fitting when it takes real effort to loosen. An … Read more