SKU: 122-102-10 25-50mm, 0.01mm, Mechanical Blade Micrometer, .03 In Steel Blade, Ratchet Stop Has a blade for measuring the groove diameter of shafts, keyways, and other had to reach areas.With Ratchet Stop for constant forceSupplied in fitted plastic caseMITUTOYO UPC CODE:... $398.00 $378.10 Compare