It's time to add Grip to your Measuring Tools with JessEm's Patented Flex Grip.These Precision Rules are made with 301 Stainless Steel and hardened for overall durability. We etch, then engrave each marking on our laser system to ensure each mark stands the wear and tear of everyday use. That means they will never fade like most rules do!Each Flex Tab can be used to grip to virtually any surface softer than the steel itself. That means no more slipping when marking or scribing your workpiece, metal, paper, and more.These rules are perfect for woodworking, drafting, metal working, art, design and more and with a range of sizes, you always have the perfect ruler for every project.