Features: Precision and Safety: Our 20cm aluminum-alloy protective ruler is designed for high-precision measurements while ensuring safety with anti-slip and cut-resistant 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: Aluminum Alloy Size: Approx. 20cm / 7.87 inch Size: Approx. 30cm / 11.81 inch Size: Approx. 60cm / 23.62 inch Size: Approx. 80cm / 31.49 inch Note: Please allow 1-2cm errors due to manual measurement; ensure you are comfortable with this before ordering. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Thank you for your understanding. Package includes: 1 x Straight Ruler