Starrett 0-4″ Outside Micrometer Set

This set of 4 T441.1 micrometers includes delivers 0-4” measurement range with .0001″ graduations. The T444.1 Outside Micrometers have a heat-insulator on the frame to help reduce temperature-related expansion or contraction. 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. Features a combination ratchet and speeder for uniform pressure and quicker adjustment. Recommended for mechanics, automotive service and machine shops, toolrooms, inspection departments and wherever gaging involves a wide range of measurements. Accurate, rugged, and easy to use Ratchet stop, lock nut, and standards included Micro-lapped measuring faces Starrett No-glare satin chrome finish on thimble and sleeve minimizes annoying surface glare under bright lights and resists rust Attractive, protective case, which keep micrometers and standards together, readily accessible Balanced frame and thimble design ensure easy handling Ring-type knurled lock nut for quick and sure locking