Thread Check Inc. offers custom reversible plain plug gages in class XX thru ZZ gagemaker tolerances for checking holes and calibrating measuring equipment. Custom plain plug gages are made of quality chrome for longer life. Sizes range from .005" - 1.000". If chrome plug gages is not the solution for you, Thread Check also offers a wide selection of steel plug gages and Carbide plug gages in both metric and inch. Contact our knowledgeable sales team with any questions or concerns you have regarding our chrome plug gages.