The Rule's innovative designings includes pre drill pivots holes, streamlining the workflows by allowing secure placement and ensuring consistent measurements across applications. tool for professional such as architects, engineers, and carpenter, it's also excellent addition to any enthusiasts toolkit. Elevates your Precisions woodworking and engineering projects with our Woodworking Square Rule, featuring a high Precisions, tmultiple Angles for the accuracy. Whether you're measuring corners for building construct, laying floor, or crafting furniture, this miters triangles Rule ensures precise angles each time. Produced from high-quality Material, this 90 Degree Protractor is engineered for long, with a distinctive color for easy identification among tool. Size: about 79x85x112mm/3.35x3.11x4.41inch Colour:Blue Material:Aluminum Alloy Package Contents: 1 * Aluminum Woodworking Square kit 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.