Accud Measurement Tools Digital caliper 627697 - Accud 1601077, The Accud 1601077 digital caliper is a precision measuring tool with a range of 150 mm. It features easy-to-read digital readouts ideal for accurate internal and external measurements. Commonly used in mechanical engineering, it is suitable for both professional and hobbyist applications. Accud 1601077 Digital Caliper 150mm Precise Measurement Tool