Digital Cylinder Bore Dial Indicator Gauge Kit 1.4" to 6" in Case .0005" NEW Range 1.400"-6.000" diameter, .0005" graduations, 6" depth For quick transferable accurate inside measurements Insulated Grip - Carbide Anvils - Tool weight 6.1 lbs # Includes all the necessary spacers, interchangeable extensions and a formed plastic case. Radius-ed hardened tips improved accuracy