Millimeters & Inches Sliding Vernier Caliper for Jewelers, Machinists, Electronics, Auto Mechanics & Measuring This is a new metal sliding vernier caliper It has finely honed jaws for exacting inside, outside and depth measurements This is economical and lightweight Has a thumb roller and locking screw for ease of use Measures in millimeters and inches Graduated in 1 mm and 1/16" increments It measures up to 125 mm and 5" The caliper measures approximately 7 1/2" x 2 1/2" (191 x 63.5 mm) Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.