7 inch Aluminum Alloy Triangular Ruler Aluminum Alloy Metric Woodworking Measuring Ruler try square triangle protractor angle rulerFeature:1. Aluminum alloy material, corrosion resistance, high hardness and durability.2. Multi-function, triangular ruler, protractor, scribe three in one.3. The scale on the surface of the ruler body is clear, wear-resistant, non-fading, and has a long service life.4. Each corner is polished by special process, smooth, no pain to your hand and beautiful. Specification:Material: Aluminum Alloy Product Size: 185x18 5mm/7.28x7.28in Size: 7 inch Measuring Range: 0-180mm Color: Black, Blue (Optional)Note:1. Due to the light and screen difference, the color of the items may be slightly different from the picture.2. Please allow 1-3cm size difference due to manual measurement.1 x Triangular Ruler