Mitutoyo 293-344-30 Digimatic Micrometer, Range: 0-1"/0-25.4 mm, IP65 Calibrated micrometer measures 0 to 1.0" (0 to 25.4 mm) with 0.00005" (0.001 mm) resolution and + or - 0.00005" accuracy for taking outside diameter measurements in harsh workshop conditions LCD screen displays in metric units Plastic components are oil-resistant and measuring faces are carbide-tipped for durability Anti-slip finish for improved grip while take measuremnts