Digital Offset Calipers with Adjustable Jaw - 150mm (6") 150mm (6") digital calipers with an adjustable front jaw. The front jaw can slide up or down and be locked at any point. This allows measurement of stepped work piece. The display can be set to zero in any position, metric or imperial display and auto shut off. The Calipers are constructed of high quality hardened stainless steel. The precision ground measuring faces allow for outside, inside and step measurements.