PRECISION MEASUREMENT The 12 inch multi-function precision stainless steel angle protractor provides accurate measurements, ensuring you get the exact angle you need. Versatile UseThis tool is not only for woodworking, but also can be used for other projects such as metalworking, machining, etc. Used for marking angles, drawing lines, drawing angles, etc. Easy to UseWith adjustable design, this tool is easy to use and can be customized to fit your specific needs. If necessary, you can use the top of the angle ruler as a fixed circle center to quickly draw the desired circle, with a maximum radius of 30 cm. Measuring and MarkingEquipped with a 30cm ruler, this wooden marking ruler can measure lengths from 0 to 30 cm. It features double-sided laser engraving, with clear markings in centimeters and inches for easy reading. It also allows you to quickly mark a vertical line according to the desired distance. Durable MaterialMade of high quality stainless steel, this tool is built to last and can withstand heavy use without breaking or rusting.