The Mastercool Universal Hydraulic Flaring Tool Set, No. 72485, creates production quality brake, transmission, and fuel line flares. The kit fabricates: push connect 1/4", 5/16”, and 3/8”; GM fuel line flare; brake lines and transmission 5/16” and 3/8”; 45-degree flare/double flare 3/16”, 1/4", 5/16”, 3/8”, and 1/2"; metric bubble flare 4.75mm, 6mm, 8mm, and 10mm; and GM transmission cooling line 3/8” and 1/2".