Features and Benefits: Easy-to-read economical solution for measuring cylinder bore diameters and checking for taper and out of roundness conditions. Measures to 9″ depth easily reaching critical wear areas of the cylinderIndicator features:Dual reading inch/metric electronic indicator for foreign and domestic applicationsBar graph and numeric digital displayResolution: .00005″/.001mmPreset size of master for absolute reading and minimum hold feature to lock on the bore size as the gage is rocked through the basePreset with recallABS/INC measurementMin/Max/Tir Bore gage features:Carbide anvilsRange: 1.4-6″/35-150mmEasily adjustableSelf-centeringInsulated grip Chrome plated handleIncludes extension holder and shop hardened case