Hex Key, Tip Size 1.5 mm, Long Arm Length 1 47/64 in, Short Arm Length 13 mm, Black Oxide/ OVERALL LENGTH: 44.0 MILLIMETERS NOMINAL WRENCHING SURFACE SIZE: 1.5 MILLIMETERS NOMINAL BOTH ENDS WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL SPECIAL FEATURES: 25 PER PKG MATERIAL: STEEL OVERALL STYLE DESIGNATOR: 120 L-HANDLE