Starrett 82CZ Dial Bore Gauge Complete Set, 0.560 1.565" Range, 0.0001" Graduation

Test tolerance without removing the workpiece from a machine Interchangeable probes are hard chrome plated and polished Two-point contact is useful for detecting hole geometry problems such as taper, bell-mouth, and out-of-roundness Reads to 0.0001", set are furnished in attractive, protective case Measurement is taken by comparison, so a reference standard should be used, such as a gage block, setting ring, or micrometer (sold separately) Useful for controlling approach to tolerance without removing the workpiece from a machine Includes insertion of gage body into bore, number of probe is 8