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Speed-Set Beam Compass Drafting Supplies, Drafting Instruments, Beam Compasses
Retail: $55.47
Item #: 961B - See more from Alvin Drafting

    The Alvin Beam Compass Comes with two 13-inch non-graduated beam bars and includes spare leads and needlepoint, is also complete with interchangeable ruling pen, pencil, and divider legs.  This beam compass is conveniently packaged...

    Graduated Beam Compass Drafting Supplies, Drafting Instruments, Beam Compasses
    Retail: $69.77
    Item #: 961X - See more from Alvin Drafting

      The Alvin Beam Compass Comes with two graduated beam bars and includes spare leads and needlepoint, is also complete with interchangeable ruling pen, pencil, and divider legs. This beam compass is conveniently packaged and comes in a hard,...

      Alumicolor Beam Compass Rule Drafting Supplies, Drafting Instruments, Beam Compasses
      Retail: $21.95
      Item #: 4105-1 - See more from Alumicolor

        Solves the problem of making perfect large circles up to 36" in diameter. This beam compass attaches to thin profile yardsticks and automatically shows figures for the radius circumference and area of any circle in inches or centimeters.