Female Swivel Hose Fitting Refrigerant Type 134A R12 R22 R502 MP39 MP66 and R404A Female Thread 5/8-18 In Dash Size 6 Min Burst Pressure 2000 PSI Max Working Pressure 500 PSI Hose Outside Dia 0.58 In Hose Inside Dia 0.31 In Material Steel For Use With 45 Degree Swivel Standards SAE J2064