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 cylinder Indicator features: Dual reading inch/metric electronic indicator for foreign and domestic applications Bar graph and numeric digital display Resolution: .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 base Preset with recall ABS/INC measurement in/Max/Tir Bore gage features: Carbide anvils Range: 1.4-6"/35-150mmEasily adjustable Self-centering Insulated grip Chrome plated handle Includes extension holder and shop hardened case