Remember when you had maximum precision in your measurements? Get the accuracy you need with the WEN Digital Caliper. The WEN calipers are designed to undergo four different methods of measurement, including inner, outer, step, and depth measurements. The large LCD digital readout provides users accurate and easy-to-see readings in either metric, imperial or fractional units with a resolution of .0005 inches, .01 millimeters, or 1/128 inches. This package includes a CR2032 3V battery as well as a sturdy carrying case for safely storing and transporting your caliper. And, because its a WEN product. a nationwide network of skilled service technicians, and a friendly customer helpline, all to make sure you remember WEN.