Retail: $18.95
    Price: $11.15
    You Save: $7.80 (41.2%)

    Model Number: 4105-1
    Brand: Alumicolor
    Estimated Delivery Time: 3 - 7 Business Days
    Alumicolor 12" Alumicolor Beam Compass Rule

    Model Number: 4105-1
    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.

    Product Dimensions:
    • Outside Dimensions:
    • Product Weight: 0.19 lbs.
    Ask a Question. We would love to help!

    Does this come with the ruler or just the compass pieces? (Cooper)
    The 4105-1 will come with a 12" flat metal ruler and the two adjustable points.
    I will be purchasing this Item tomorrow. I also need extra lead. What is the item # for the lead? (Joe F.)
    Extra lead that will fit the beam compass can be found here: 2mm Compass Lead
    Alumicolor 12" Alumicolor Beam Compass Rule

    Overall Customer Rating of 1 Reviews:

    Works great.

    Bought this to replace one that I have had for long time. Very easy to set up and use..