Mitutoyo's Digimatic Caliper with a point jaw type that can measure wall thickness inside bores and recesses. Features Include... 0-6" / 150mm Measuring Range 0.0005" / 0.01mm Resolution 5mm point on each jaw Point jaw type can measure wall thickness inside bores and recesses. Flat jaw type can measure grooves and recesses. With SPC data output. Supplied in fitted plastic case.