MSI Viking sells all the most popular brands of calipers, including Mitutoyo, Mahr Federal, Starrett, Brown & Sharpe, TESA, Fowler, and many more. Calipers are available in Digital, Dial, and Vernier styles with features such as SPC Output, Solar, and Waterproof and Dust Resistant as indicated by IP ratings. Calipers provide measurements of inside diameter and outside diameter - known as ID and OD - and depth. Calipers are used to measure the distance between two opposite sides of an object. They are one of the most popular length measuring instruments because they are relatively inexpensive and versatile measurement tools. Listed here are only the most popular of the thousands of caliper models and brands sold by MSI Viking. If you don't see what you need, call our friendly customer service department for help.