Also usable for outside corners where the hook works the same way, except pins are not necessary. The miter hook has 1/8" and 1/4" wide ledges – perfect for accurately setting reveals in house trim. The hook is handy in a shop as well – anywhere you need to measure mitered corners.
Injection molded using a high-impact plastic, it has hardened pins and two rare-earth magnets. It is fully reversible; the magnets are exposed on both sides.