Description 3 PIECE AF FLARE NUT SPANNER SETPRODUCTS IN THIS SETA135716 - 3/8" X 7/16" Flare Nut SpannerA135726 - 1/2" X 9/16" Flare Nut SpannerA135736 - 5/8" X 11/16" Flare Nut Spanner