1-inch - 2-inch /25mm-50mm Digital Outside Micrometer Electronic LCD DisplayCategory: Digital 1 MicrometerDescription:1. Calibrated micrometer measures 1 inch?to 2?inch?(25mm?to 50mm)?with 0.00005 inch (0.001mm) resolution and 0.0001 accuracy (0.002mm).2. One-touch switch between Inch / Metric,?automatic shut-off.3. Operating environment: 0-40 degree centigrade.4. Large high resolution LCD display. Easy to Read. One battery?included.5. Used to take?outside diameter measurements in harsh workshop conditions.6. Ratchet stop to help provide uniform pressure for precise, repeatable measurements.7. Functions offered by this model include Metric/Inch conversion, data Hold, Relative/Absolute measuring, Tolerance setting, Positive setting, Negative setting, origin Resetting?and data Output.Specifications:Product Name: Digital Outside MicrometerMaterial: Stainless Steel, CarbideSystem of Measurement: Inch / Metric?Measurement Range: 25-50mm / 1 inch - 2 inchResolution: 0.001mm / 0.00005 inchAccuracy: 0.002mm / 0.0001 inchOverall Size: 180mm x 58mm x 18mm / 7 inch x 2.3 inch x 0.7 inch (L*W*H)Main Color: Black, Silver ToneWeight: 494gPackage Content: 1 x Digital Outside Micrometer, 1 x Battery, 1 x CaseOutside?Micrometer is?precision measuring instruments, using?a calibrated screw to measure distances. The Measurement is?translated into large rotations of the screw that are able to be read from a scale or a dial, typically used in manufacturing, machining, and mechanical engineering. Outside Micrometer may also be called micrometer calipers, and is used to measure the length, width, or outside diameter of an object.For CALIFORNIA residents only: WARNING: This product contains chemicals including DEHP, which is known to the State of California to cause cancer and birth defects or other reproductive harm.Please note that by posting this Proposition 65 warning, we are notifying you that one or more of the Proposition 65 listed chemicals may be present in a product. With Unique Bargains' products, the exposure to these chemicals may be of no significant risk to you, but out of caution, we have elected to place this warning on our site to make sure our customers are informed.You can find more information at http://www.oehha.ca.gov/proposition-65/about-proposition-65.