... inch:1/4",5/16",3/8",1/2",5/8"&3/4"O.D.tubingCM-808-AL In inch:3/16",1/4 ... ",5/16",3/8",1/2",5/8"&3/4 ... "O.D tubingCM-808-ML In metric ... is finished, make theidle top head in revolution again for 1-2 times and have the flare face in friction tomake ...