Mitutoyo 500-151-30 AOS Absolute Digimatic Caliper is the next generation of electronic callipers. This calliper delivers highly accurate, four-way measurement capabilities with a wide measurement range available (up to 1000mm/40 inches). The Mitutoyo 500-151-30 Absolute Digimatic calliper delivers accurate, repeatable outside dimension, inside dimension, depth, and step measurements with accuracy and unrestricted speed. The calliper's slide and jaws are constructed of hardened stainless steel with optional carbide-tipped jaws available. The impact-resistant, easy-to-read LCD display is highly durable and provides a large character height (9mm in height) which improves readability.