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    System of Measurement
    System of Measurement
    Inch
    Metric
    Material
    Material
    Steel
    Iron
    Angle Measured
    Angle Measured
    30°
    45°
    90°
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    Graduation Marks
    Graduation Marks
    8ths
    16ths
    32nds
    50ths
    64ths
    100ths
    1/2 mm
    Millimeters
    Numeric Increments
    Numeric Increments
    1/10"
    4/32"
    1"
    10 mm
    Graduation Location
    Graduation Location
    Back
    Front
    Specifications Met
    Specifications Met
    Fed. Spec. GGG-S-656-E
    Fed. Spec. GGG-R-791H
    Square Head Material
    Square Head Material
    Iron
    Steel
    Blade Color
    Blade Color
    Silver
    Gold
    Head Length
    Head Length
    default
    2 1/4"
    2 13/32"
    3 5/8"
    4 1/2"
    Width
    Width
    5/8"
    3/4"
    1"
    Thickness
    Thickness
    1/16"
    5/64"
    3/32"
    Center Head Material
    Center Head Material
    Iron
    Steel
    For Maximum Blade Length
    For Maximum Blade Length
    4"
    6"
    24"
    48"
    Protractor Head Material
    Protractor Head Material
    Cast Iron
    Hardened Cast Iron
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