We are offering Floating Carriage Micrometer. Offers effective calibration of Thread Plug Gauges and Taps.Provides Major, Minor Diameters calibration of threads.Mechanical Electronic ModelRange: 0-100mm0-4 & 0-175mm0-7.Resolution: 0.0002mm 0.0001 mmRepeatability: 0.002 mm0.0002 mmAccuracy: 0.004mm 0.002mm with P10 probeAccessories: Thread Measuring wires, Prisms, Cylindrical masters & Taper thread plug attachment.