Flare Nut Wrench, Alloy Steel, Satin, Head Size 10 mm, 12 mm, 6-Point Flare Nut, 6 1/4 in, 15°/ OVERALL LENGTH: 176.3 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 10.0 MILLIMETERS NOMINAL FIRST END WRENCHING SURFACE SIZE: 12.0 MILLIMETERS NOMINAL SECOND END WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 130 FLARE NUT DOUBLE END