Starrett T444.1XRL-5 Outside Micrometer, Ratchet Stop, Lock Nut, Carbide Faces, 0.0001" Grad

T444.1XRL-5 Outside Micrometer .0001" Grad, 0-5" Range, Ratchet Stop, Lock Nut, Carbide Faces. The Starrett T444 Series have heat-insulators on the frame to help reduce temperature-related expansion or contraction. The Vernier scale on the thimble and sleeve is graduated to 0.001", with a satin chrome rust and glare-resistant finish on the thimble. The spindle and anvil have flat measuring faces and are carbide-tipped for wear resistance. A spindle lock helps provide secure locking of the measurement.