Mitutoyo Digital 3 Flute V-Anvil Micrometer 0,4-1", with Groove 314-352-30This Digimatic V Anvil Micrometer helps you to measure cutting tools and taps. It offers the following benefits: It measures the outside diameter of cutting tools (such as taps, reamers, end mills) which have three flutes. V anvils with a centreline groove are available for measuring the pitch diameter of taps by the single wire method. Specification Digital Analog: Digital Delivered: Including box, spanner, setting standard, 1 SR44 battery Inch