Forms 37° flares in annealed stainless steel (MIL-T-6345 or AMS5566), cold drawn stainless steel, copper, aluminum, brass, and other soft metals. Ball thrust bearing mechanism reduces the effort required to produce perfect 37° flares, even in stainless steel. Made of hardened tool steel, and features a non-slip grip which securely holds tubing, even after repetitive flaring. Extension on bar can be clamped in a vise for extra support. Able to flare 1/8” 3/16” 1/4” 5/16” 3/8” and 1/2” O.D. tubing. 4 lbs (1.5Kg) shipping weight.