Factory Selling 0-180 Degree Angle Ruler 90X150mm Angle Finder Goniometer

Drawing tools are usually made of plastic or iron. You can draw the desired angle according to your needs. Often used with compasses. It can draw angles, measure angles, draw vertical lines, parallel lines, measure inclinations, perpendicularity and levelness. It can be opened and closed as an internal and external right angle ruler. It can also be accurately and intuitively read as a long and short ruler, and draw a circular dimension of the specified size.