Mitutoyo 326-351-30CAL Screw Thread Micrometers; Operation Type: Electronic; Graduation (Decimal Inch): 0.00005; Accuracy: 0.0002 in; Accuracy (mm): 0.0002 in; Thimble Type: Ratchet; Includes Anvils: No; Spindle Diameter: 6.35 mm; Calibrated: Yes; Fi