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 G1007 GAGE GO .0860 NO-GO .0950 – M309 Gauges G1008 GAGE GO .1000 NO-GO .1100 – M309 Gauges G1005 GAGE GO .0690 NO-GO .0740 – M309