Flare Nut Wrench, Alloy Steel, Satin, Head Size 16 mm, 18 mm, 12-Point Flare Nut, 8 3/4 in/ OVERALL LENGTH: 223.8 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 16.0 MILLIMETERS NOMINAL FIRST END WRENCHING SURFACE SIZE: 18.0 MILLIMETERS NOMINAL SECOND END WRENCHING SURFACE SHAPE: 12 POINT BOTH ENDS INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 130 FLARE NUT DOUBLE END SPECIFICATION/STANDARD DATA: 05047-ASME B107.100/B107.40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 1 TYPE