FEATURES Set of three digital micrometers- furnished with ratchet stop, lock nut, and standards, in case. Combination ratchet and speeder for uniform pressure and quicker adjustment Gracefully designed tapered frame for use in narrow slots and tight places Balanced frame design and extremely hard and stable one-piece spindle Micro-lapped carbide measuring faces Ring-type knurled lock nut for quick and sure locking .001" is read directly from the counter .0001" is read from the sleeve Clear, easily read numbers Starrett No-glare satin chrome finish on thimble and sleeve minimizes annoying surface glare under bright lights and resists rust No-glare black finish on the frame Hard and stable one-piece friction thimble permits one-hand operation of micrometer and uniform contact pressure SPECIFICATIONS Made in America: Yes Micrometer Type: Mechcanical Digit Micrometer Set Set Range (in): 0-3" Graduations (in): .0001" Resolution (in): .0001" Micrometer Sizes: 1,2,3 In Micrometers Included: 3 Anvil/Spindle Material: Carbide Anvil Type: Flat Spindle Type: Flat Lock Nut Type: Knurled Ring Type Thimble Type: Ratchet Thimble Graduations: English Standards Included: 1,2 In Case Type: Wood Case