accuracy Measuring Features: Designed with integrated functions for center finding, right angles marking, midline division, and 45 degree angles measurement, ensuring accurate line drawing and efficiency in complex woodworking tasks double Metric & royal Units: Supports both metric and royal measurement systems, catering to different user preferences and international market needs, ideal for professional and enthusiasts alike Strong Aluminum Construction: Crafted from aluminum alloy, this woodworking measuring ruler is lightweight yet sturdy, offering excellent wear resistance and long lasting for various carpentry projects Portable & Ergonomic Design: Compact and lightweight at 14.8x9.1cm, this measuring ruler is easy to carry and use at home, workshops, or site, featuring an ergonomic design for comfortable handling and reduced fatigue Color option: Available in, black, and blue stylish finishes, allowing users to choose their preferred color to brighten up their toolbox while maintaining practicality, Manufacturer: jklymm