Fowler Electronic Point Micrometer Pointed Spindle and Anvil (30°) for measuring small grooves, key-ways, small flutes and Other Hard to Reach Areas Features Include... 1-2" / 50mm Measuring Range Resolution: 0.00005"/0.001 mm Accuracy: 0.00016" / 0.004mm Large LCD Display 30å¡ Points Spindle lock Carbide Measuring Points Includes Setting Standard Furnished in fitted case