MITUTOYO Outside/Micromete 25-50mm/0.01mm 103138 Cast Iron Frames Micrometer Graduated 0.001in./0.01mm Accurate to BS870 Steel spindles with ground threads and measuring faces tipped with hard micro-lapped tungsten carbide Positive spindle lock fitted Thimble is fitted with a ratchet stop to ensure a constant measuring force and consistent readings
