About this item Size: This fitting is 8AN to 1/2 inch barb. The thread size of the 8AN end is 3/4-16 UNF Parameter: Maximum working pressure: 1,500 PSI. Working temperature range: -40℉ to 250℉ Material: The 8AN 45-degree fitting is made of 6061-T6 aluminum alloy Application: The barb hose fitting works only with rubber fuel lines.