... ,16mm&18mm O.D. tubingCM-708-A-R410A For R410A bar:3/16",1/4",5/16",3/8",1/2 ... "&3/4" O.D. tubingCM-708-M-R410A For R410M bar: 6mm,8mm,10mm,12mm,14mm,16mm&18MM O.D. tubingDetails ... % in labour on flaring operation is acquired.2. After finished, pull up the handle, whereafter rotate reversedly the handle, can easily release ...