. Stainless steel. Digital display with LCD screen. Measures mm and inches ranging from 0 to 150 mm or 6 in increments of 0.01 mm or 0.0005 respectively. Accuracy ± 0.03 mm. Resolution 0.01 mm. Supplied in a protective box. Depth gauge including boundary and top measurements. Automatic switch off. SR44 battery 1.5 V, lifetime 10 months or 7000 hours in normal use
