Digital Counter Outside Micrometer Ratchet stop thimble Range: 1-2" Graduation: 0.0001" Accuracy: .00016" Counter readout: 0.001" Flatness: 0.00003" Parallelism: 0.00005" Quick, Easy Zero Adjustment On Sleev. Positive Locking Nut On Spindle Anvil And Spindle Hardened And Precision Ground With Microlap Finish On Carbide Tipped Measuring Faces Microfine Graduations On Satin Chrome Diameter Of Measuring Faces: 0.256" Spindle Thread Is Hardened, Ground And Lapped Plastic Case included Shipping Weight: 2 Lbs