Deep Throat Thickness Gages are precision measuring tools used to measure the thickness of materials in hard-to-reach or confined areas. They are designed with an extended reach or "throat" that allows them to measure the thickness of materials in areas where traditional thickness gages cannot reach. This gage includes a 0-1" measuring range with a 0-12" deep reach, allowing you to measure thickness in hard to reach places. The attached lifting lever makes for one-handed operation, and the included Mitutoyo Digital Indicator includes the following specifications... 0-1" / 25.4mm Measuring Range 0.0005" / 0.01mm Resolution With SPC Output This gage takes approximately 1 week for production before shipping. Please indicate Tip Style when adding to cart.