Features:
- 3/16" pin holes for marking polygon miters w/included pin
- 1/16" scribe holes in 1/16" increments
- B0 - 90° markings in 1° angle graduations
- Center cutouts have a 22.5°, 30°, 45°, 60°, 67.5° angle markings
- 3/4" tall base have blades that offset at 1/4" and 3/8"
- 1/32" scale on base
- 3 mm thick blades
- Scale accuracy: +/- 0.005"
- Non-glare finish
- Precision laser engraving on both sides of square
- Set include a mechanical pencil and lead refills
- Supplied in protective case