A digital goniometer used for angle measurement. Its lightweight and compact size allows you to take it anywhere. Greatly used for angle measurement of machines, molds, jigs and tools, precision angle measurement used as assembly and processing standards, and precision angle measurement used as assembly and processing standards. It's easy to use. It can be easily attached with a magnet. Put it on the reference surface and press the button to prepare for measurement. The relative angle to the reference plane is displayed digitally. You can easily and accurately measure the squareness of the saw tools with respect to the surface plate, the fastening angle of 45 °, and the squareness of the fence of various woodworking machines. The measurement angle can be held by pressing the "HOLD" button. Unit conversion, two unit modes, can be converted on demand, you can lock the data and keep the level of level, easy to view the reading., Manufacturer: DollaTek