High Quality!Material: Aluminum alloyReading: Metric or imperialColour:blackFeatures:1. This triangle has many functions: it is a fixed square, protractor, scriber and saw guide.2. Application: carpentry, construction professionals, roofers, DIY and other good tools.3. Use: Suitable for determining and marking angles and making square cuts.4. High quality: Aluminum alloy material, electrophoretic coating process, high hardness, strong toughness, not easy to rust5. Transparent oxide: laser oxide, transparent wear-resistant6. Double-sided data: double-sided metric and imperial marking lines to meet different needs7. Easy to read: permanent scale with clear, easy to read numbers.8. Portable: Compact design, can be easily carried anywhere. Package Includes:1×7Inch Triangle Ruler Note:1. There is a 2-3% difference according to manual measurement. Please check the size carefully before you buy the item.2. Please note that a slight color difference should be acceptable due to the light and screen.