Double or single automotive flaring tool set creates 45 degree double or single flares. Suitable for most soft steel,aluminum,brass and copper lines.Pipe cutter has 2 rollers to better secure the brake line and includes a fold-awayreamer for deburring.Suitable for : 3/16, 1/4, 5/16, 3/8″, 7/16″, 1/2″, 5/8″ (5,6,8,10,12,14,16mm) lines