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Mathey Dearman™ Large Aluminum Protractor will measure squareness of pipe ends up to 40" diameter or can be used to check large pipe miter angles up to 180 deg.
Features
Blade can be locked in place at a particular angle
Protractor Head has a double graduation from 0° - 180° in opposite directions
Accuracy: +/-° of protractor
Applications
Measuring the squareness of one surface to another
