A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF ...

The Incra Miter 5000 miter sled features a laser cut steel protractor head with 364 angle stops, 36- to 64-inch telescoping fence. It also comes with such table saw miter gauge accessories as ...