The Fowler No. 52-253 series of outside micrometers features exceptional quality and accuracy.Distinct figures and graduations on the non-glare, satin chrome background permit easy reading, and the ribbed frame allows for measuring with extra ease and comfort. Features: Accuracy: ± .001" Range: 5-6" Thimble: Ratchet Hammertone blue baked enamel finish Microfine graduations on satin chrome finish and carbide tipped measuring faces Graduation: .001" Friction thimble Includes standard with sizes 2" and over Diameter of measuring faces: .256" Friction stop thimble for exact and repetitive readings Flatness: .00003" Parallelism: .00005" for 0-1" Positive lever locking clamp ensures reliable measurement Anvil & spindle hardened and precision ground with microlap finish on tips All micrometers meet or exceed U.S. Federal specifications for accuracy Includes a wrench and case
