[Main Function 1: Draw Angles]—-This Preciva angle protractor and marking woodworking ruler allows you to draw angles from 0 to 180 degrees, mini1 degree. Accuracy of ±0.5°. Note: When drawing, the blank “Arrow” in the ruler body helps you indicate the angle. [Main Function 2: Length Measurement and Marking]—- Equipped with a 30cm ruler, this wood marking ruler can measure lengths from 0 to 30cm. It features dual-sided laser engraving, with clear markings in both centimeters and inches for easy reading. ALSO, it allows you to quickly mark a vertical line based on the desired distance. [Main Function 3: Draw Circular]—- When needed, you can use the top of the angle finder ruler as a fixed circle center to quickly draw the desired circle, with a maximum radius of 30cm. [Quality Materials]—- Made of metal steel ruler and ABS angle finder. [Where to Use]—- It is perfect for woodworking, like mortise and tenon joint, mechanical processing, architectural drafting, DIY projects, and construction or drawing. Used to mark angles, draw lines, draw angles, etc. [Product Size]—- Steel ruler 30cm (11.81 inches) in length, with laser markings on both sides. Angle protractor: Diameter of 10cm.
