Possess digital display panel, the digital display measuring angle value is clear and intuitive Come with a locking knob designs, convenient for locking angle at any position The product have accurate battery compartment designs, the battery is not easy to eject The protractor ruler body is made of high-quality plastic, which is sturdy and Suitable for construction, workshop, woodworking, home decoration and other fields, Weight: 0.2094391489 pounds, Manufacturer: KUIDAMOS