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 4 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 0.0005 in., 0.01 mm or 1/128 in. This package includes a CR2032 3-Volt battery as well as a sturdy carrying case for safely storing and transporting your caliper and because its a WEN product, your digital caliper comes backed by a 2-years warranty, a nationwide network of skilled service technicians, and a friendly customer helpline, all to make sure you remember WEN. Material: Stainless Steel.