8.0mm Hex Drive Standard Arm T-Handle Hex Key / OVERALL LENGTH: 9.000 INCHES NOMINAL WRENCHING SURFACE SIZE: 8.0 MILLIMETERS NOMINAL SINGLE END FEATURES PROVIDED: CUSHION GRIP WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 125 FIXED T-HANDLE SPECIFICATION/STANDARD DATA: 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD