Check the listing for details. Mitutoyo 3-4" Disk Micrometer Made In Japan 123-128. Condition: New. Listed at 139.99 USD. Mitutoyo 3-4" Disk Micrometer Made In Japan 123-128 PRODUCT DESCRIPTION Mitutoyo Disk Micrometer, 3-4" - 123-128Diameter of measuring disk: 20mm / .787"0.7mm / .028” (1mm: models over 100mm) edge thickness to enter narrow recessesWith Ratchet Stop for constant forceWith a standard bar except for 25mm / 0 - 1” modelWith SPC output (Series 323)The Series 223 is provided with a mechanical digit counter for quick reading of measurementsSupplied in fitted plastic case. (Over 100mm models supplied wooden cases) Technical Data:Range3 - 4"Accuracy± 0.0003"Graduation0.01mm or .001"Flatness1µm / .00004" for models up to 100mm / 4" 1.6µm / .000063" for models over 100mm / 4"Parallelism4µm / .00016" for models up to 50mm / 2" .00024" for models up to 4" (4+R/50)µm for models up to 100mm (5+R/75) µm for models over 100mm, R=max.Measurable module0.5-6 (0.7-11: models over 100mm) © Copyright . All rights reserved.