Mitutoyo Outside Micrometer Digital 0 1" 0 25mmmm x .00005" 0.001mm Torsion Bars European and Japanese cars and European and Japanese cars and light trucks with petrol and petrol turbo charged engines where API SM Mitutoyo Inside Micrometer 2 12" Tubular Extension Rod TypeWide range of inside measurements possible by combining extension rods and anvils with the measuring heads The sleeve is rotated to adjust the index line position when setting to a length standard 001mm resolutions Digital Micrometer Equipped with Function Lock Graduated scale for extra security Without data output Dust and Coolant proof to IP65 levels Mitutoyo Digimatic Micrometer 0 1" 0 25mm without Data OutputAbsolute Encoder Technology Micron reading Auto power ON OFF function Easy to read LCD Constant force measuring with ratchet stop or friction thimble Carbide measuring faces Oil resistant materials used