Features: Precision-and Safety: Our 20cm Aluminum-Alloy Protective Ruler is designed for high-precision measurements while ensuring your safety with its anti-slip and anti-cut features. Durable and Reliable: Made-of thickened steel and aluminum-alloy, this ruler is built-to last and-withstand heavy use without bending or breaking. Suitable for Everyone: Whether you're a professional graphic-designer, architect, or DIY-enthusiast, our ruler is perfect for all kinds of precision-measurements. Versatile Usage: From drawing and layout work to measuring angles and lines, this ruler is ideal-for a wide range-of applications both in the-office and-at home. Get your hands-on our Protective Ruler today and-experience the-ultimate combination of-precision, durability, and safety in your everyday work! Specifications: Material:Aluminium-Alloy Size:Approx.20cm/7.87inch Size:Approx.30cm/11.81inch Size:Approx.60cm/23.62inch Size:Approx.80cm/31.49inch Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Straight Ruler