Asimeto Plug Thread Gauge (D/E) - BSP (G) - Right Hand - 6H - 2 1/2 x 11The Asimeto Plug Thread Gauge (D E), part of the 690 Series, is a precision tool designed to verify internal BSP and BSPP threads. Built for machinists, inspectors, and maintenance technicians, it provides fast, reliable checks that ensure correct fits every time. Thread compatibility: internal BSP BSPP threads checked with a matched end that mirrors the target size and pitch 6H tolerance: conforms to the 6H class for accurate, consistent thread