Fowler 52 240 004 1, Outside Inch Micrometer with 3 4" Measuring Range

Outside micrometer with choice of measuring range and flat anvil/spindle pair for general purpose measuring Vernier scale has microfine 0.0001" graduations and accuracy of 0.0001" for precise readings Hardened, precision-ground, and carbide-tipped anvil and spindle have 0.256" measuring faces with micro-lapped finish, 0.00003" flatness and 0.00005" parallelism for accurate measurements Friction or ratchet-stop thimble provide exact and repetitive readings