Description: Material: 3D Multi angle measuring ruler is made of aluminum alloy, which is strong, wear resistant, lightweight, not easy to break, and has a long service lifeMeasuring Tool: Woodworking square protractor has high hardness, accurate scale, convenient for you to mark and read valuesMultifunction: Triangle ruler scriber can help you quickly mark lines, measure 45 degree and 90 degree angles, and is easy to carryUse: Measuring tool can be used as a woodworking measuring tool, easy to operate, with common functions such as measurement and markingWide Application: Woodworking square ruler is a must have measuring tool for amateurs, engineers, carpenters, woodworkers and other workers in the wood and construction industries Specification: Material: Aluminum Alloy Size Chart: 8.9 cmx8 cmx10 cm or 3.50 inchx3.15 inchx3.94 inch Package Includes: 1x Measuring Ruler, 1x Wrench Note: Please allow slightly errors 1-2cm differences due to manual measurement.