FEATURES Starrett satin chrome finish - no glare - resists rust on all reading surfaces Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Quick-reading figures Extremely hard and stable one-piece spindle (the heart of our accuracy and long life) Micro-lapped measuring face for flatness and squareness Quick and easy adjustment SPECIFICATIONS Made in America: Yes Micrometer Type: Mechanical Micrometer Head Range (in): 0-1" Graduations (in): .0001" Spindle Material: Carbide Lock Nut Type: Ring Type Knurled Spindle Type: Flat Thimble Type: Ratchet Accuracy (in): +/-.0001"