1. Precision Digital Display: Features a clear, easytoread LCD screen that shows precise angle measurements instantly, improving accuracy and efficiency in carpentry, construction, and home renovation tasks. 2. 4In1 Multifunctional Tool Design: Combines protractor, ruler, angle gauge, and bevel finder in a compact tool, allowing you to measure angles, lengths, and bevels easily without switching between different devices. 3. Sturdy Foldable Ruler Construction: Made from quality stainless steel, this 7inch (230mm) ruler folds conveniently for portability and durability, making it ideal for both fieldwork and detailed indoor projects. 4. Lock And Zero Function For Accuracy: The locking mechanism lets you fix angles for repetitive measurements, while the zero reset function ensures accurate comparative readings on complex or uneven surfaces.