The PRECISE 30 Blade Radius Gauge is an essential tool for measuring and checking the curvature of various surfaces. With 15 concave and 15 convex shapes, this gauge can accurately measure radii from 1/32" to 1/4" in SAE metrics only. The gauge blades are made of high-quality stainless steel, ensuring durability and precision. Each blade is labeled with its corresponding size for easy identification, and they are securely held together with a locking nut to prevent them from falling out of place. The 15 concave and 15 convex shapes allow for a wide range of measurement options, making this tool suitable for various applications, including woodworking, metalworking, and automotive repair. Whether you need to check the curvature of a mold, a metal component, or a wooden piece, this radius gauge can help you ensure accurate and consistent measurements. The gauges compact size and lightweight design make it easy to carry around and store. It is a great addition to any workshop, toolbox, or garage, and it is suitable for both professional and DIY use. In summary, the 30 Blade Radius Gauge with 15 concave and 15 convex shapes is a versatile and precise measuring tool suitable for various applications, including woodworking, metalworking, and automotive repair. The high-quality stainless steel blades ensure durability and accuracy, while the compact and lightweight design makes it easy to carry and store.