Starrett® Protractor Head, Reversible, For Use With: Combination Square, Combination Sets and Bevel Protractor, Cast Iron, Black Smooth

• Works with 12 - 24 in blades
• Direct-reading double graduations of 0 - 180 deg in opposite directions, for accurate reading of angles above or below the blade
• Measures specific angles, which allow users to create and replicate desired angles
• The protractor head is reversible, with shoulders on both the front and back for reading on both sides
• The tools include a stationary base and movable rule, usually connected by a scale that may be digital or manual
• A center accurately locates the center of a circle or cylindrical rod
• A square is used to scribe right angles and parallel lines, calibrate miter and table saws or as a miter, height gauge or depth gauge

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_C33H-24-4R_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_C33H-24-4R_Catalog.pdf