For Fittings of 4AN, 6AN, 8AN, 10AN and 12AN. 5x Holders ( 4AN, 6AN, 8AN, 10AN & 12AN). Fuel Line Installation Tool Fittings Fuel Hose Connect Tool Kit for 4AN 6AN 8AN. Include 5 holders of different sizes: for fittings of 4AN,6AN,8AN,10AN and 12AN.