Dial Bore Gauge 2"-6" / 0.001" Engine/ Hole Cylinder Measurement Gage.

Dial bore gauge with a measuring range of 2"-6" and a graduations of 0.001". Self-Centering extender bore gauge for accurate and reliable cylinder bore measurements. Two-point contact system to measure hole diameters and detect geometry abnormalities. Portable case is provided for easy organization and storage. TIP: Before measuring, be sure to adjust the pointer of the dial indicator to the “0” setting.