100% Brand New and High Quality. Material: Aluminum alloy. Reading: Metric or imperial. Thickness: 2.2MM. Colour: Silver, red, black, blue. Features: Fixed square, protractor, scriber and saw guide. Application: Carpentry, construction professionals, roofers, DIY and other good tools. Use: Suitable for determining and marking angles and making square cuts. High quality: Aluminum alloy material, electrophoretic coating process, high hardness, strong toughness, not easy to rust. Transparent oxide: Laser oxide, transparent wear-resistant. Double-sided data: Double-sided metric and imperial marking lines to meet different needs. Easy to read: Permanent scale with clear, easy to read numbers. Portable: Compact design, can be easily carried anywhere. Package Includes: 1×7Inch Triangle Ruler. Note: There is a 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. Please note that a slight color difference should be acceptable due to the light and screen.