- 45 circles from 1/16 in to 2-1/4 in
- Fractional inches with decimal inches and millimeter equivalents
- Made from dimensionally stable translucent plastic with built-in ink risers
- Matte finish on one side to reduce glare
- Cut out identifications are printed in easy to read black ink
- Centering lines are printed around the cutouts (where applicable)
- Designed for use with a 0.5 mm pencil lead