Features Rigid one-piece frame of drop forged steel, ribbed for strength and stability Extremely hard and stable one-piece spindle Micro-lapped measuring face Starrett satin chrome finish - no glare - resists rust Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Combination ratchet and speeder for uniform pressure and quicker adjustment Specifications Made in America: Yes Micrometer Type: Sheet Metal Micrometer Range (in): 0-1" Graduations (in): .001" Anvil/Spindle Material: Carbide Anvil Type: Flat Spindle Type: Flat Thimble Type: Ratchet