10-50mm Diameter Capacity Concentricity Checker

10-50mm Diameter Capacity Universal Single Indicator Concentricity Checker Diameter capacity is 0.394-1.969 in. or 10-50 mm. Length capacity is 6 in.. Accuracy is 0.00012 in./ 0.003mm. Dimensions are 360 length X 150 width X 151mm height. Concentricity Gauge allows you to measure the runout of parts internal and external. Two position wheels made from solid steel. Precision drive wheel has a perfect ratio to push the parts down. Ultra high precision ball bearings provide friction free movement. Directional drive hand wheel pushes the parts into the stop for accurate repeatable readings with equal pressure. Heavy duty base mounted fine adjustable sliding test indicator holder that will accept test indicators with dovetail slot. Adjustable mechanical arm stop holds the arm up for one handed operation. 10 & 500mm diameter master setting pins are included.