Klein Tools' Digital Angle Finder provides precision measurements for inside and outside angles, lengths, and calculates miter saw angles. It offers best in class accuracy of +/-0.2-Degree for quickly finding any angle and calculating the miter saw blade angle to ensure miter joints are cut to a perfect fit. The compact design with a single AAA battery and premium reverse contrast display allows for easy tool box storage and can be carried around in pockets. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857. VERSATILE 3-IN-1 DIGITAL ANGLE FINDER: Measure inside and outside angles, lengths, and calculate miter saw cut angles with precision EFFICIENT MITER SAW PROTRACTOR: Easily calculate the perfect saw blade angle for precise miter joints every time MACHINED RULER EDGES: Accurate measurements with +/- 0.2-Degree precision for reliable results BRIGHT LED DISPLAY: White LED display ensures easy visibility in any lighting conditions DURABLE AND RUST RESISTANT: Long-lasting metallic ruler with deeply etched markings for clear readings