Description: High Quality MaterialWoodworking Ruler is made of high quality Aluminum alloy material, which has reliable quality, exquisite workmanship, strong and durable. Multifunction3d Angle Ruler includes square ruler, T shaped marking, dovetail connection, and angle measurement to meet your various marking needs. Multiple AnglesYou 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 GaugeTwo specifications are available for you to choose from, and you can use them according to your actual situation and needs. Easy to useThe 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.