1、【High Durability】: Crafted from stainless steel and featuring precise, wear-resistant markings, this ruler ensures accuracy in every measurement. Its dual-scale design (centimeters on the front side and inches on the back side) accommodates various measuring needs. 2、【Aluminum Limit Adjustment Block】: The set includes a lightweight aluminum block that provides firm yet gentle clamping for your ruler, allowing for easy adjustment without scratching the ruler‘s surface. The surface is refined by an anodizing process, resulting in a beautiful and high-gloss appearance. With increased hardness and corrosion resistance, ensuring long extended lifespan. 3、【Versatile Compatibility】: Designed to fit most steel and plastics rulers within 22-28mm thickness, this limiting block is perfect for a wide variety of applications and tools. 4、【Ease of Use】: The intuitive design allows you to quickly install the limiting block onto your ruler, enabling simple positioning and marking for tasks like depth measurement and segment difference determination. 5、【Compact and Portable】: With compact size and lightweight design, this set is easy to carry and store, making it perfect for both professional use and DIY projects.