📐【Improved Metal Lock Design】Replacing the plastic lock, this contour gauge now boasts a sturdy adjustable metal lock, ensuring firm shape retention. With an included tool for easy tightness adjustment, it adapts seamlessly to different tasks. 📐【Precise Duplication】 - With specification of 5.1 INCH Pin Depth, 0.05 INCH Pin Thickness, make it a perfect gauge of high resolution and deep enough to achieve precise contouring. 📐【Built to Last】Made of engineered ABS plastic. Sturdy to fit to most of occasions. 📐【Multiple Use】This gauge set includes 5" and 10", which can better measure some odd shapes, or corners. provides a wider range of application to cut deeper shapes or measuring angles. 📐【Reliable Service】It comes with 3 YEAR factory warranty. IF any problem, just phone or message us, a replacement or refund will be on the way.