Flare Nut Wrench, Alloy Steel, Satin, Head Size 9/16 in, 12-Point Flare Nut, 7 in, 15°, SAE/ OVERALL LENGTH: 16.00 INCHES MINIMUM WRENCHING SURFACE SIZE: 0.562 INCHES NOMINAL BOTH ENDS WRENCHING SURFACE SHAPE: HEXAGON FIRST END INTERNAL WRENCHING SURFACE SHAPE: 6 POINT SECOND END INTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 131 STRAIGHT JAW SPECIFICATION/STANDARD DATA: 05047-ASME B107.100/B107.40 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS AND C STYLE