Home / Crimp Tool Gauges / Gauges / G540 G540 ^GAGE GO .0370 NO-GO .0420 Add to quote SKU: G540 Category: Gauges Description Description ^GAGE GO .0370 NO-GO .0420 Related products Gauges G1016 GAGE GO .1490 NO-GO .1530 Gauges G1001 GAGE GO .0360 NO-GO .0410 – M309 Gauges G1010 ^GAGE GO .0280 NO-GO .0420 Gauges G1019 GAGE GO.1490 NO-GO.1550