Mitutoyo 64PKA077 Digimatic Tool Kit, 0-1"/0-25mm Range Digimatic Micrometer, 0-6"/0-150mm Range Digimatic Caliper Digital micrometer and caliper set provides precise inch/metric measurement for use in machining, manufacturing, and mechanical engineering applications Coolant-proof digital micrometer with friction thimble, 0 to 1"/0 to 25 mm measuring range, and 0.00005"/0.001 mm resolution for taking outside diameter (OD) measurements Digimatic caliper with thumb roll, 0 to 6"/0 to 150 mm measuring range, and 0.0005"/0.01 mm resolution for taking outside diameter (OD), inside diameter (ID), depth, and step measurements Includes micrometer wrench and fitted wooden box