MITUTOYO, 0.80 in to 6 in/20 to 150 mm Range, +/-0.0015 in Accuracy, Inside Point Digital Caliper - 54GE93|573-746-20 - Grainger
Amazon.com: Mitutoyo 500-197-30 Electronic Digital Caliper AOS Absolute Scale Digital Caliper, 0 to 8"/0 to 200mm Measuring Range, 0.0005"/0.01mm Resolution : Industrial & Scientific