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 G1001 GAGE GO .0360 NO-GO .0410 – M309 Gauges G1023 GAGE GO.1225 NO-GO.1295 Gauges G1004 GAGE GO .0610 NO-GO .0660 – M309 Gauges G1015 ^GAGE GO .1000 NO-GO .1100