SPI Dial Test Indicator Features Include.. 0.020" Range 0.0005" Graduation 0-10-0 Reading 1.25" Dial Dia. Horizontal type Universal Positioning Satin Chrome Finish 0.080" dia x 0.5" length contact point Contact Point Pivot: + 100° Dovetail Stems: 5/32" (8mm) & 3/8" (6mm) dia Fitted Case Certificate of Calibration