ITEM NAME:AN4 To M11x1.0 Aluminum Oil Supply Adapter For img *{margin:0;padding:0;.Type: AN-4 (4AN) To M11x1.0 Oil Feed Adapter. 1 Piece Turbo Oil Feed Adapter. Made of aluminum, strong and durable. AN-4 (7/16" UNF) Male threaded to be used with any of AN-4 hose fittings. Due to the difference between different monitors, the picture may not reflect the actual color of the item.