【 Size 】 The thread size of10AN ( 7/8-14 UNF) to 10 AN ORB ( 7/8-14 UNF). 【 Application 】 Suitable for fuel rail, oil cooler, fuel pump, fuel pressure regulator, fuel filter, etc. 【 Material 】 Made of aluminum alloy 6061-T6 body and NBR rubber O-ring.