[Universal Combination Angle]Precision Redefined! Elevate your measuring and drawing game with this multi-angle measuring ruler-high quality 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:Red & Black Material:Aluminum Alloy Package Contents: 1x Multi-Angle Measuring Ruler 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.