Product Description The RCBS Electronic Digital Caliper delivers instant, precise measurements for reloading and other fine-measurement tasks. Built with a hardened stainless steel body for long tool life, it provides a large, easy-to-read digital display to help reduce reading errors. With one-touch inch-to-millimeter switching and the ability to zero at any position, it makes comparative measurements fast and simple. It measures internal, external, depth, and step dimensions, and includes a slide lock to hold the position for repeatable constants. Product Highlights Instant digital readings with large, easy-to-read numbers to reduce measurement errors Hardened stainless steel construction for durability and prolonged tool life One-button conversion between inches and millimeters for quick unit changes Zero adjustment at any position for fast comparative and incremental measurements Measures internal, external, depth, and step dimensions; includes slide lock for repeatability Specs Brand: RCBS Manufacturer Part Number: 87323 UPC: 076683873231 Type: Electronic digital caliper Measurement Range: 0-6 in / 0-150 mm Accuracy: +/- 0.001 in / 0.02 mm Resolution: 0.0005 in / 0.01 mm Jaw Depth: 1-1/2 in (outside), 5/8 in (inside) Functions: Internal, external, depth, and step measurement Materials: Hardened stainless steel body Included: Battery Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.