This Digital Protractor is a durable, highly accurate and affordable measuring tool built around a rugged frame that is used as a protractor, level and angle finder.

Very popular with aircraft builders, mechanics and woodworkers. Used for flight control surface rigging, setting propeller angle, and aircraft leveling and more.

• Full 360-degree measuring range with maximum resolution and accuracy of 0.1 degree
• Simple 30 second calibration procedure using only the top flat edge of a table or desk
• Alternate zero button to set zero starting point at any angle (commonly used for aileron, flap and elevator rigging)
• Display hold button to freeze reading when measuring in tight spaces
• Readout stays upright even when protractor is upside down