The Alvin Traditional Master-Bow Compass is a useful compass for all drawing and drafting applications. It measures six inches and features a matte nickel finish. With its smooth, center wheel adjustment, it can easily and accurately create circles with diameter range of 1/8 inches up to 11 ½ inches. It is equipped with a capped spindle to prevent over extension.
For additional functionality, the Alvin Traditional Master-Bow Compass comes with a spare parts tube that contains replacement needle and leads. It also includes a protective plastic case for easy storage and convenient transport.