ccurate measurements are readily at your fingertips with the Stalwart Dial Caliper. This tool effortlessly provides quick, accurate measurements of outside dimensions, inside dimensions, depth and step to the .oo1”. The stainless steel frame and shockproof design also help to ensure accurate position while in use, making it ideal for projects both at home and on the job. IMPORTANT: Avoid buying counterfeit products and transacting with unauthorized sellers. Look for our logo on the packaging for every one of our products. Stalwart is committed to providing the consumer with the absolute best value on all of our products, which we ensure by applying a rigorous Quality Control process. Stalwart a registered protected by U.S. law and will be vigorously defended.