Pry Bars, Rolling Head Pry Bar, Overall Length 12 in, Overall Width 1/2 in, Heat Treated Steel/ OVERALL LENGTH: 12.000 INCHES NOMINAL WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL MATERIAL: STEEL STYLE DESIGNATOR: AG20 STRAIGHT HEXAGON - TAPER POINT REEFING HOOK SPECIFICATION/STANDARD DATA: 05047-ASME B107.410 CAT 52 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 5 CLASS