3 New Inside & Outside Precision CalipersThis is a new set of 3 inside and outside precision calipers. These are used for measuring inside and outside diameters.You receive: One outside caliper that measures approximately 5 3/8" (136.5 mm) long. One inside caliper that measures approximately 5 9/16" (141 mm) long. One inside caliper that measures approximately 5 5/16" (135 mm) long We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.