Choose a Category
    System of Measurement
    System of Measurement
    Inch
    Metric
    Material
    Material
    Steel
    Aluminum
    Brass
    Zinc
    Adjustment Method
    Adjustment Method
    Knurled Nut
    Screw
    Knurled Center Wheel
    Maximum Opening
    Maximum Opening
    3"
    4"
    6"
    8"
    10"
    12"
    Manufacturer Model Number
    Manufacturer Model Number
    243-6
    274-3
    274-6
    275-3
    275-6
    277-3
    277-6
    C251A
    C251B
    C251C
    Beam Length
    Beam Length
    10 1/2"
    13"
    14 1/2"
    20"
    Minimum Circle Diameter
    Minimum Circle Diameter
    1 1/2"
    7"
    Graduation Location
    Graduation Location
    Bottom
    Top
    Graduation Marks
    Graduation Marks
    32nds
    Millimeters
    Numeric Increments
    Numeric Increments
    1"
    1 cm
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