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    Base Width
    Base Width
    2 3/8"
    2 1/2"
    3 1/4"
    3 3/8"
    Base Length
    Base Length
    2 7/8"
    3"
    3 1/2"
    3 3/4"
    Manufacturer Model Number
    Manufacturer Model Number
    57B
    57D
    257B
    257D
    Manufacturer
    Manufacturer
    Show
    Starrett
    Manufacturer
    Manufacturer
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    Mitutoyo
    Starrett
    Tip Style
    Tip Style
    90° Angle
    Curved
    Base Material
    Base Material
    Iron
    Steel
    Mounting Rod Length
    Mounting Rod Length
    12"
    18"
    Scriber Length
    Scriber Length
    6"
    8 1/2"
    Number of Gauge Pins
    Number of Gauge Pins
    2
    4
    Mounting Rod Diameter
    Mounting Rod Diameter
    5/16"
    3/8"
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
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    4 Products