Sorby Double Ended Calipers, 4 in. are an essential tool for any turner’s workshop, designed to enhance precision and efficiency. These calipers are for measuring vessel wall thicknesses and checking turning diameters, making them invaluable during the turning process. Their unique mirror image design allows measurements taken at one end to be automatically transferred to the opposite end, enabling accurate readings without the need to remove the caliper from the workpiece. Crafted from plated steel, these calipers excellent corrosion resistance and feature a friction fit adjustment point for smooth operation. The 4-inch size refers to the distance from the pivot point to the tool tip, ensuring versatility and ease of use. Model Number: H974000