describe: Durable protractor: The digital angle made of stainless steel, laser-etched measurements offer a clear reading. The digital LCD display is easy to read and prevents guesswork.Combination of ruler and protractor You can measure lengths and angles for easy measurement. Lightweight and durable: Digital P rotractor angle finder thickened nylon glass ruler, wide, high-strength nylon glass fiber material, good rigidity, wear resistance, no deformation. High accuracy: Accuracy 0.3; Resolution 0.05; Measuring Range: 0-200mm/ 0-360. It's a great choice for most projects and everyday use, for DIY family projects, woodworking, decorating, and machining. LCD display:When you choose the zero point, the protractor has a large, easy-to-read LCD display, and you don't need look and guess at the angle and length anymore. Hold data & inverted measured value: You can save data during the measurement by pressing "HOLD / Rev."; The display can be inverted for easy reading by long pressing " HOLD / Rev." to press