Features Accurate 90 Degree Angles: Both the inside and outside of the Flat Edge Square are precisely crafted to form perfect 90 degree angles, ensuring precise measurements and layouts. Industrial and Professional Use: This measuring tool is designed for industrial and professional applications, making it an essential tool for assembly and platform operations. Clearcutness Ground and Lapped: All faces and edges are ground and lapped to guarantee straightness and parallelism, providing accurate and reliable measurements. Groove for Debris Clearance: The inner corner features a milled groove that provides clearance for burrs and debris, maintaining the tool's accuracy and performance. Level 2 Square for Self-Tests: The Level 2 square is especially suitable for workshop workers to produce self-tests, offering a high level of accuracy for various carpentry and engineering tasks. Specification: Condition: 100% Brand New Item Type: Right Angle Ruler Material: Steel Accuracy Level: 2 Optional Size: Approx. 75 x 50mm / 3 x 2in, Approx. 100 x 70mm / 3.9 x 2.8in Package List: 1 x Right Angle Ruler Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List