General Purpose Slotted Screwdriver, Tip Size 1/2 in, Slotted, Ergonomic/ BLADE LENGTH: 12.000 INCHES NOMINAL BLADE SURFACE TREATMENT: CHROMIUM HANDLE COLOR: BLACK NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS AND B STYLE OVERALL LENGTH: 17.250 INCHES NOMINAL MATERIAL: PLASTIC HANDLE MATERIAL: STEEL BLADE SHANK SHAPE: SQUARE SPECIAL FEATURES: ERGONOMIC GRIP TIP WIDTH: 0.500 INCHES NOMINAL SPECIFICATION/STANDARD DATA: 05047-ASME B107.600 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD