Sorby Double Ended Calipers, 7 in. are an indispensable addition to any turner's tool kit, designed to enhance precision and efficiency. These calipers are for measuring vessel wall thicknesses and checking turning diameters, helping to increase the accuracy of measurement readings and speed up the turning process. Featuring a mirror image design, the calipers automatically transfer the measurement taken at one end to the opposite end, allowing for accurate readings without removing the tool from the workpiece. The 7-inch version an increased throat depth, making it suitable for use on larger diameter vessels with restricted openings. Crafted from plated steel, these calipers provide corrosion resistance and include a friction fit adjustment point for reliable performance. The caliper size refers to the measurement from the pivot point to the tool tip. Made in England. Model Number: H977000