The Alvin Basic Compass is a six-inch compass that is designed for drawing circles with diameters of up to 19 inches. It features a self-centering gear head mechanism that guarantees convenient use and accurate measuring. Its double knee joints allow parallel leg positioning for drawing large circles with precision.
This basic compass has a tough cast zinc body to resist bending and distortion ensuring perfect circles at all times. Its head is made of black fiberglass for additional durability. It offers storage and easy transport with its see-through hard plastic case that is included in the package.
Ideal for many drawing and drafting applications, the Alvin Basic Compass is versatile and functional with its lead and needle points that are both replaceable. It also comes with a replacement compass lead tube for future use.