Brand: Summit Racing Manufacturer's Part Number: SUM-900014 Part Type: Micrometers Product Line: Summit Racing? Outside Micrometer Sets Summit Racing Part Number: SUM-900014 UPC: 190861013322 Micrometer Type: Outside Micrometer Display: Analog Micrometer Increments: 0.0010 in. Micrometer Tip Material: Carbide steel Micrometer Material: Steel Micrometer Finish: Natural Micrometer Calibration Tool Included: Yes Case Included: Yes Case Material: Plastic Quantity: Sold as a set of 3. Summit Racing? Outside Micrometer Sets When you need consistent accuracy， these Summit Racing? micrometer sets are invaluable. You get three carbide tipped outside micrometers， each one features .0001 graduations with ratchet stop actions. They also have heat insulated frames and a satin-chrome finish. A fitted case is included for protective storage.