Triman Opaque Compass Ruler Set Of 10

You can draw circles, triangles and straight lines with this unique 4-in-1 drawing compass/ruler, construct, copy and read angles, measure and convert inches and centimeters, and create patterns. To use the compass, pinch and slide the cursor to the desired position and lock it, place your finger on the transparent swivel disk, place your pencil point in one of the two cursor holes and draw a circle. Inch markings to 4.3" (11 cm). Compass comes in solid opaque.