Hex Key, Tip Size 3/32 in, Long Arm Length 3 3/8 in, Short Arm Length 11/16 in, Black Oxide/ LONG ARM LENGTH: 3.375 INCHES NOMINAL SHORT ARM LENGTH: 0.688 INCHES NOMINAL WRENCHING SURFACE SIZE: 0.094 INCHES NOMINAL BOTH ENDS WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 120 L-HANDLE