Asimeto Ring Thread Gauge (NoGo) - Metric - Right Hand - 6g - M27 x 2Introducing the Asimeto Ring Thread Gauge (NoGo) a metric, right hand ring gauge designed for precise go no go checks on M27 x 2 threads. Built to the 6g tolerance class, it helps inspectors and machinists verify pitch diameter quickly and reliably. 6g Metric Ring Gauge: Precision crafted to the 6g tolerance class for accurate measurement of the external thread pitch diameter on M27 x 2. NoGo Designation: Used to determine if threads are too large or