Fowler's Vertical Test Indicator Twice the range of most indicators! Includes Smooth Bezel Adjustment for easy zero setting. Features include... 0.060" Range 0.0005" Graduation 0-15-0 Dial Reading Includes 2 Carbide Ball Contact Points 0.080" Diameter Ball Contact Point 0.120" Diameter Ball Contact Point Dial Diameter: 1" 5/32" Pivotable Stem Solid Brass anti-magnetic housing Includes NIST Certificate of Calibration