- Designed with a thickness of 1.0-0.9mm, this ruler eliminates sharp edges for safe and comfortable handling, making it ideal for everyday use. - Constructed from high-quality steel, it offers exceptional durability and resistance to rust, ensuring a long lifespan without bending or warping. - The ruler features a smooth, burr-free end for precise measurements. One end is square for accurate angle measurements, while the other is rounded with a convenient hole for easy hanging and storage. - Perfect for a variety of applications including school projects, office tasks, training courses, and crafting. It is especially useful for engineers and architects who require precise straight edges and gauges for their work. - With its robust construction and thoughtful design, this ruler is an essential tool for anyone needing reliable measurement and drawing capabilities.