General description This Adjustable Circle Drawing Drafting Ruler is a professional measuring gauge tool designed for woodworking and other applications. Made of high-quality aluminum alloy, it offers excellent corrosion resistance and durability, making it easy to process and handle. This intuitive drawing tool not only aids in precision measurements but also serves as a stress relief tool that can inspire creativity. Technical specifications Material: High-quality aluminum alloy Adjustable size for various circular measurements Usage Ideal for drawing circular measurements Can be used in various industries for precision gauging Portable and easy to carry