Profile: Westport Corporation is an ISO/IEC 17025 accredited and ISO 9001 registered company. We manufacture precision thread & plain gages, taps and dies. We also offer full service metrology laboratories for calibration and repair. We cater to hardness testing products and industrial tools. Our flexible hole location plugs are used for inspection of the location of a threaded hole in a part. Flexible hole location plug gages also referred to as centerline hole location plugs are used to determine the true centerline to centerline distances of threaded holes.