[Universal Combination Angle] Precision Redefined! Elevate your measuring and drawing game with this multi-angle measuring ruler- professional measuring tool. Compared to other rulers, this hole ruler has added a hidden anti-drop device! So you don't have to worry about rulers falling off when working. [Multi-angle Measuring Ruler] 90-degree and 45-degree stops for versatile angles, more angles available, help you to measure things accurately. Upgrade your tools for precision! [Strong & ] Angle measurement tool is made of aluminum alloy and steel material, which is and not easy to bend, and can be applied for a long time. , compact straight ruler is portable and easy to carry. [Professional Design] Scale on both sides is carved on the ruler, which makes it clear to read. 1 Stainless steel drawing needle, which acts as another pen . with additional features such as a scriber and ejection stop. [Widely Uses] Precise universal combination angle with ruler stop for precise marking, measuring, scribing, and drawing. A practical tool for schools, offices, home schools, architects, woodworking and engineers, making it possible to measure data anytime, anywhere. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black & Red Material:Aluminum alloy Package Contents: 2 * Universal Combination Angle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.