Description: 【High Quality Material】Woodworking Ruler is made of high quality Aluminum alloy material, which has reliable quality, exquisite workmanship, strong and durable. 【Multifunction】3d Angle Ruler includes square ruler, T shaped marking, dovetail connection, and angle measurement to meet your various marking needs. 【Multiple Angles】You can use the 3D Multi Angle Measuring Ruler to mark at any angle from 10° to 90°. There are also fixed angles of 30°, 45°, and 60° for you to choose from. 【Dovetail Tenon Marking Gauge】Two specifications are available for you to choose from, and you can use them according to your actual situation and needs. 【Easy to use】The Precision Measuring Tool is detachable and can be used in different combinations or alone. Specification: Material: Aluminum alloy Size Chart: 4.5cmx4.5cmx6cm/1.77inchx1.77inchx2.36inch Package Includes: 1 set 3d Angle Ruler Note: Please allow slightly errors due to manual measurement and different monitors.