1. High quality aluminum alloy handle, high corrosion resistance, light and stable 2, hole design, the ruler can be marked at an angle, and the centimeter hole is convenient to mark. 3, anti-drop handle, free hands without walking. 4. Insert the line drawing needle into the angle hole, and the included angle between the line drawing needle and the handle parallel to the desktop is the angle marked by the angle hole.<br><br>Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Model:Multifunctional square ruler Usage scene: Woodworking survey and marking Size:40cm Colour:Black Material:Aluminum alloy<br><br>Package Contents: 1 x Multifunctional square ruler<br><br>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.