... ,12mm,14mm,16mm&18mm O.D tubingCM-806-A-R410A For R410A bar: 1/4", 5/16",3/8",1/2 ... ",5/8"&3/4" O.D.tubingCM-808-A-R410A For R410A bar: 3/16",1/4",5/16",3/8 ... ,14mm,16mm&18mm O.D tubingDetails:1. Special design for R410A system, also fit for usual tubing.2. Easy operation, save time and ... is finished, make the idle top head in revolution again for 1-2 times and have the flare face in fricton ...