10AN Anodized T-6061 Aluminum Blue Straight Oil Line Fitting Adapter (1/2-16 UNF) Made of High Quality And Lightweight T-6061 Aluminum Material Anodized Finish for Strength and Durability 2-Way Heads for Both Male and Female Applications Fitting Diameter: AN-10 Inlet/ Outlet Sizes: 1/2-16 UNF