Specifications: Material: Aluminum Alloy, Copper, PCB Surface: Matte Black Finish Accuracy: 0.5mm Measuring Range: 0-90 Degrees Size Options: 165mm x 305mm, 90mm x 100mm, 120mm x 320mm Features: Versatile Angle Measurements: Accurately measure and mark angles from 0-90 degrees, suitable for various woodworking projects. High Precision: Engraved markings ensure lasting accuracy and are easy to read. Solid Construction: Made from high-quality aluminum alloy, ensuring longevity and stability in use. Convenient Use: Features measurement holes and an easy-to-grip handle for precise and smooth operation. Multi-Functionality: Ideal for marking, measuring, and as a guide for cutting, offering comprehensive utility in one tool. Package Included: Type A: 1 x Multi-Angle Measuring Ruler (90mm x 100mm) Type B: 1 x Multi-Angle Measuring Ruler (165mm x 305mm) Type C: 1 x Measuring Ruler (120mm x 320mm)