[Universal Combination Angle] Precision Redefined! Improve your measuring and drawing game with this high quality professional measuring tool with multi-angle measuring ruler. Compared with other rulers, this hole ruler has added a hidden anti-fall device! So you don't have to worry about the rulers falling off while working. [Professional Design] The scale on both sides is carved into the ruler, which leaves its reading. 1 x stainless steel drawing needle, which acts as another pen for you. Great value with really useful additional features like a plotter and eject. [Strong and Durable] The angle measuring tool is made of aluminum alloy and steel material, which is durable and not easy to bend, and can be applied for a time. Lightweight and compact straight ruler is portable and easy to carry. [Multiple Angle Measuring Ruler] 90 degree and 45 degree stops for versatile angles, more angles available, help you measure things accurately. Upgrade tools for accuracy! [Wide Applications] Precise universal combination angle with ruler for precise marking, measuring, tracing and drawing. A practical tool for schools, offices, home schools, architects, carpenters and engineers, allowing you to measure data anytime, anywhere., Manufacturer: Bumdenuu