Bullet Points:1Durable and Wear-Resistant: The carpenters line square measuring ruler adopts ABS material, which is wear-resistant, anti-oxidation, durable, high measurement accuracy in use. Clear, accurate and easy-to-read metric engraving scale.2Drill Fixed Hole Design: There are 9 different fixed hole designs, which can be applied to different drills according to different actual conditions.3Parallel Line Drawing Function: There are several holes to draw parallel lines. You can place the appropriate holes to place the rows.4Angle Finder: A 3D angle ruler with an angle scale can help you find a specific angle and mark it on the wooden material.5Dovetail Model: The 3D angle ruler has two dovetail models, which can quickly build a standard dovetail shape on wooden material. The 3D angle ruler is widely used in making furniture, home DIY, woodworking, professional use, etc.Specification:Size: about 21.57.26cm/8.462.832.36inMaterial: ABSPacking List:45 Carpenter Line Ruler*1Notes:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.