CEN-TECH Angle Finder, Magnetic

Check angles from 0 to 90° in seconds. Accurate to 1/2°. No fooling around with clumsy protractors and manual angle finders- indicator points right to the number. Magnetically attaches to a square; can be mounted to non-metallic squares with self-threading screws (sold separately). Includes conversion chart for determining pitch per inch and foot.