[2-in-1 Angle Finder Ruler] The new upgraded 2-in-1 precision ruler and digital angle finder with a moving blade can calculate internal and external angles and measure lengths quickly and accurately (metric and imperial scale). They are a DIY hobbyist who needs to measure the interior and exterior corners of their house. It is the must-have tool in the toolbox! [High Accuracy Measurement] The accuracy of this angle finder is ±0.3 degrees. Resolution 0.1°, Measuring Range: 0-999.9°, Folded Length: 8 inches/200mm, Total Length: 15 inches/400mm. [Hold data and reverse reading] You can save data during measurement by pressing HOLD / . The display reading can be reversed by long pressing HOLD / . Measure the length and angle more accurately and conveniently. Save time and hassle! [Premium Digital Protractor] Digital Display Angle Ruler: Multi-angle measuring ruler of material that is lightweight, and durable. The digital LCD display is easy to read and no longer need to look or guess the angle and length. In addition, it has a stable locking function that locks measurements at any angle. [Professional Measuring Tool] The angle finder protractor is well used in various : angle ruler, straight ruler and square ruler. It can be used for construction, drawing, carpentry, masonry, machinery, decoration, home furnishings and related work for measuring and marking. This is a great gift for a , engineer, carpenter and carpenter., Manufacturer: Bumdenuu