"Introducing the Jawsons Digital Angle Finder Ruler, a versatile and highly accurate tool designed to meet the demands of various measurement tasks. This 7-inch (200mm) protractor is an essential addition to any toolbox, providing precise angle and length measurements with ease. The electronic LCD digital display ensures convenient angle recognition and accuracy, boasting an impressive ±0.2° accuracy and a resolution of 0.05°. For optimal measurement accuracy, ensure the ruler is placed horizontally and reset to zero before use. The Jawsons Digital Angle Finder Ruler features a full 360-degree measurement range, allowing you to measure inside, outside, and reverse angles effortlessly. Its folded length is 200mm (7.9 inches), and the total extended length is 400mm (15.7 inches), making it compact and portable for various applications. A key feature of this digital angle finder is the data hold function. The locking knob allows you to lock the angle at any position, and the hold button ensures that the angles are retained, eliminating concerns about data deviation. This functionality makes it an ideal tool for precise measurements in woodworking, construction, and repair projects. Constructed from carbon fiber and ABS material, the Jawsons Digital Angle Finder Ruler offers excellent stiffness, wear resistance, and durability. It is lightweight, easy to carry, and designed to prevent deformation and scratches on your hands. This multi-functional angle finder can measure both length and angle in metric (mm) and imperial (inch) units. It is widely used in woodworking, furniture building, materials decoration, school projects, home DIY, mechanical processing, and drawing, among other fields. In summary, the Jawsons Digital Angle Finder Ruler is a lightweight, durable, and highly accurate tool that provides convenient and precise angle measurements. Its versatility and ease of use make it an essential tool for carpenters, woodworkers, fabricators, and other professionals."