Thread Check Inc. offers a broad selection of custom reversible carbide plug gages. Custom reversible carbide plug gages in class XX thru ZZ gagemaker tolerances for checking holes and calibrating measuring equipment. Carbide plug gages are made of quality C2 Tungsten Carbide for durability and a longer lasting gage life. Carbide plug gages range from .0301-.7600. If carbide plug gages is not the solution for you, Thread Check also offers a wide selection of steel plug gages and chrome plug gages in both metric and inch. Feel free to contact Thread Check with your questions about carbide plug gages.