... /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:6mm,8mm,10mm,12mm,14mm,16mm ... &18mm O.D.tubingSpecial design for R410A system, also fit for usual ... flare face in friction tomake it prettier. Flaring Tools CM-808-AL