Description: Aluminum Alloy Material: 3D Multi Angle Measuring Ruler is made of aluminum alloy material, lightweight and suitable for long term usePin Design: Woodworkings Square Ruler is equipped with pins to facilitate the fixation of workpieces and improve the accuracy of measurement and markingMulti function Tool: Carpenter Square Scribing Ruler combines marking, scale, and measuring tools in 1, meeting various needs in woodworkings operationsMetric Scale: Triangle Ruler uses clear metric scale markings, which is convenient and quick to read the size and improve work efficiencyMeasurement: Triangle ruler design is suitable for various woodworkings projects to ensure the accuracy of measurement results Specification: Material: Aluminum Alloy Size Chart: 165mmx79mmx112mm/6.50inchx3.11inchx4.41inch Package Includes: 1 Multi Angle Measuring Ruler Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.