High-Quality and Durable : Engineered with thickened aluminum and ABS plastic, this gauge boasts exceptional strength and resistance against rust, suitable for rigorous use. Connectable Contour Gauge : Extend your measuring range seamlessly by connecting multiple units, offering versatility in handling large and intricate shapes. Adjustable Tightness : Adapt the contour teeth to fit snugly around any shape, ensuring precise and consistent measurements across different materials. Metal Lock Mechanism : Lock in your measurements securely with our metal mechanism, maintaining the integrity of shapes during duplication and transfer. Easy to Use : Streamline your woodworking, welding, and carpentry tasks with our user-friendly design, suitable for all skill levels. Elevate your craftsmanship with our High-Quality and Durable Contour Gauge, designed to withstand the test of time and enhance your precision in carpentry, welding, and woodworking projects.