Features No-glare satin chrome finish which resists rust Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Balanced frame and thimble design to ensure easy handling and better readability Insulated frame for prevention of temperature related expansion and contraction Provides quick and easy adjustment Reading in ten-thousandths of an inch (.0001") with a vernier scale on the sleeve Specifications Micrometer Type: Outside Range (in): 5-6" Graduations (in): .0001" Anvil/Spindle Material: Carbide Anvil Type: Flat Spindle Type: Flat Lock Nut Type: Knurled Ring Type Thimble Type: Ratchet Accuracy (in): +/-.0001"