Key Features150mm (6") digital calipers with an adjustable front jawThe front jaw can slide up or down and be locked at any point this allows measurement of stepped work pieceThe display can be set to zero in any position, metric or imperial display and auto shut offThe Calipers are constructed of high quality hardened stainless steel. The precision ground measuring faces allow for outside, inside and step measurementsResolution - 0.01mm (0.0005")Battery - 1.55V SR44Included with the caliper is a storage case, spare battery and Instructions