AAS Metric Bubble Flare Adapter 271300, 5pcs M10 X 1.0 5 Pcs of Popular Metric Adapter Female = Inverted Flare 3/8"-24 Male = Bubble Flare M10 X 1.0 (ISO) Converts Standard 3/16" Inverted Flare to 3/16" Bubble Flare (ISO) Equivalent to 301-10, 1442, 271300, 3024B, BR505