1,Multi Angle Ruler: Capable of measuring and drawing angles from 5° to 90°. Suitable for complex projects that require precise multi angle measurements to enhance work efficiency and accuracy. 2,Safe Design: Ensures stable single handed usage, allowing you to concentrate on accuracy without the ruler moving or dropping, especially when drawing intricate lines. 3,Accurate Scale: This framing gauge provides precise measurements with clear engraved scales, offering accuracy for all your measuring needs. 4,Sturdy Angle Lock: The combination framing square comes with a angle stopper that can ensure consistent and accurate marking, keeping angles in place. 5,Multi Purpose: Crafted from robust aluminum alloy and steel, our carpenter square is built to last. Suitable for architects, engineers, and woodworkers, can be used for measuring, marking, and drawing in schools, workshops, and construction sites. Item Type: Combination Framing Square Material: Aluminum Alloy Measuring Range: Approx. 40cm or 16in System: Imperial and Metric 1 x Combination Framing Square Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.