Product Features 1. **High-quality Materials**: This transparent golden ratio scale is made of high-quality materials, featuring anti-shatter, wear-resistant, and waterproof properties. It is durable and not easily damaged, allowing for long-term use. 2. **Exquisite Craftsmanship**: This tool is crafted with great precision and made of excellent materials, offering a great user experience. 3. **Portable Design**: This golden ratio scale is compact and lightweight, making it easy to carry. It is about the size of a credit card, which is very suitable to be carried around in a wallet or pocket. 4. **Transparent Design**: The golden ratio is clearly printed on the transparent ruler for easy viewing. 5. **Wide Application**: This transparent golden ratio scale is specifically designed for accurate drawing, drawing golden section lines, architectural drawing, etc. It is suitable for designers, architects, artists, and engineers, and can be used in fields such as cartography, painting, and design. Precautions 1. Due to different lighting effects, the actual color may vary slightly from the picture. 2. Due to manual measurement, a tolerance of 1 - 3 cm is allowed. Product Information - **Material**: Acrylic - **Size**: 7×4.34 cm Package List 1 transparent rectangular golden ratio scale