The seller is 2ndchancetoolandmore and is located in this country US. SPC output to transfer data. 0.000012 (0.3 µm) spindle/anvil flatness. The Mitutoyo 314-361-30 Series 314 Digital V-Anvil Micrometer for 3-Flute Cutting Heads is designed to measure the outside diameter of cutting heads with 3 flutes.