This is the best flaring tool for the money we have found. It has a ratcheting feed screw that has a hardened flaring cone supported by needle bearings. It will put a 37 degree flare in 3/16”, 1/4”, 5/16”, 3/8”, ½”, 5/8” and 3/4” tubing. It works great flaring 3/16” stainless steel brake line.