Description <br> Features: This multifunctional set square protractor geometry measuring tool delivers precisely drafting with clear construction featuring centimeter and angles scales and precisely measuring markings for effortlessly technical drawings. <br> Integrated parallel rulers and 45°/90° angles guides simplify geometric constructions. Enhancing your these drafting efficiency with these professional geometry drawing and measuring tool. <br> Suitable for architecture students completing technical drawings, engineers drawing precisely schematics, and artists crafting lined illustrations requiring measurement accuracy. <br> Widely used for classroom geometry lessons, architectural drawing, engineering drafting, woodworking, sewing, art craft project, and professional engineering diagrams requiring precisely angles calculations. <br> Crafted from from water resistant pp, these set square with angles-measuring instrument multifunctional geometry measurement tool maintain calibration integrity through repeated use in academic, artistic, and technical environment. <br> <br> Specifications: Color: Clear, Yellow, Red <br> Component: Plastic <br> Size: Approx. 156x110mm/6.14x4.33in <br> Weight: Approx. 40g <br> <br> Package Includes: 10Pieces Set Square <br> <br> note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. <br> 2.Due to difference between different monitors, the picture may not reflect the actual color <br>