SAE 1/4″ 3/8″ 1/2″ 3/4″ Flare Tube Connector Coupling With Nut Air Conditioner
SAE 1/4″ With Thread 7/16″-20 UNF Flare Fit 6.35mm OD Tube. SAE 3/8″ With Thread 5/8″-18 UNF Flare Fit 9.52mm OD Tube. SAE 1/2″ With Thread 3/4″-16 UNF Flare Fit 12.7mm OD Tube. SAE 5/8″ With Thread 7/8″-14 UNF Flare Fit 15.88mm OD Tube.