Features: 1.Material:Made of 6061-T6 billet aluminum. 2.Size:Thread size of 6AN male coupler is 9/18-18 UNF. 3.Working Pressure: 1500PSI. Working Temperature Range: -65℉ to 252℉. 4.Widely used in fuel systems and cooler systems, etc. Package Included: 6AN Male to 1/2-20 Inverted Flare Adapter Fitting Connector*2 Brand Unbranded Manufacturer Part Number Does Not Apply UPC Does Not Apply Type Fitting Material 6061-T6 billet aluminum Color Black Country of Origin China .