Sorby Vessel Calipers, 2-1/2 in. are expertly designed for precise internal and thin wall measurements of bowls, urns, goblets, and similar vessels. The straight arm of these calipers makes them especially effective for checking narrow vessels, providing accurate sizing that can be read from either end. Crafted with plated steel legs, they excellent corrosion resistance and feature a friction fit adjustment point for smooth and reliable use. The size refers to the approximate length from the tip of the straight leg to the center of the set screw, ensuring versatility and precision in your woodworking projects. Model Number: H9725000