JBO M8 x 1.25mm Metric Coarse Go/No-Go Thread Plug Gauge 6H Metric ISO - 512305
Premium German made Metric Coarse Right Hand Go/No-Go Thread Plug Gauge. For checking to a 6H tolerance. (Please note, gauges under M0.9 are 4H tolerance and M1-M1.4 are 5H tolerance) .