Asimeto Ring Gauge Kit - GO - M3, M4, M5, M6, M8, M10, M12The Asimeto Ring Gauge Kit GO is a precision inspection tool for machinists, quality engineers, and manufacturing teams who demand exact thread sizing. Its calibrated for metric coarse 6g threads, covering common sizes from M3 through M12 to verify thread tolerance quickly and reliably. Range of sizes: GO gauges for M3, M4, M5, M6, M8, M10, and M12 to cover the most frequently used coarse thread applications. Metric coarse 6g design: Engineered