The Starrett 3202 Series Dial Calipers provide quick, accurate measurements of O.D., I.D., and depth. It has sharp, black clear dial graduations on a satin finished bar, lock screws for sliding jaw and dial bezel, adjustable bezel, thumb-operated fine adjustment roll, hardened stainless steel bar, measuring surfaces, rack, gears, and depth rod, knife-edge contacts, positive and spring-loaded double pinion anti-backlash control. The dial caliper is the most versatile precision hand tool on the market and has been the first choice of metalworking professionals for decades. This series features a 0-6" range and .001" graduations, in fitted case. Achieve Superior Accuracy Designed with high precision, this caliper provides reliable measurements up to 0.001 accuracy, making it essential for machinists, metalworkers, and engineers handling intricate projects. Engineered for Durability Manufactured from hardened stainless steel, this caliper withstands frequent use and offers longterm resistance against wear, rust, and deformation in demanding work environments. Versatile Measuring Capabilities Allows for seamless measurement of outside dimensions, inside dimensions, depth, and step, ensuring it is versatile for tasks such as machining and woodworking. Enhanced User Experience Equipped with a clear, sharp dial face, thumboperated fine adjustment, and ergonomic design, this tool ensures precise and comfortable handling even during extended use. Stable and Secure Operation Features locking screws for the sliding jaw and dial bezel, providing stability and preventing accidental movement during critical measurement tasks for consistent, repeatable results.