Profile: Western Gage Corporation. is a provider of air and electronic gages. We supply internal and external diameters. We offer air probes which consists of a precision ground hardened steel body incorporating two & more air gage nozzles and this air is passed through the probe body to the nozzles where a back pressure is produced by the surface of the workpiece & an air gage readout senses the resulting back pressure & displays the size of the workpiece. Our brands include MICRO II™ and Millicheck™. Our Millicheck™ features include a high resolution circular LCD display with four decade digital display and selectable ranges & this unit is powered by 4 D cell batteries with a minimum life of 3 months & an optional 120 - 250 VAC power adapter is available.