Home / Crimp Tool Gauges / Gauges / G640 G640 GAGE GO .0370 NO-GO .0420 Add to quote SKU: G640 Category: Gauges Description Description GAGE GO .0370 NO-GO .0420 Related products Gauges G1018 GAGE GO.1920 NO-GO.1980 Gauges G1005 GAGE GO .0690 NO-GO .0740 – M309 Gauges G1010 ^GAGE GO .0280 NO-GO .0420 Gauges G1016 GAGE GO .1490 NO-GO .1530