Patented anti-friction bearing and pawl (enclosed) permits cone to burnish 1 3/4” turns automatically before feeding out when handle is reversed. Produces 45 degree flares on 1/8”, 3/16”, 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 5/8” & 3/4” O.D. Soft copper tubing.