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 G1007 GAGE GO .0860 NO-GO .0950 – M309 Gauges G1014 GAGE GO .0820 NO-GO .0880 Gauges G100 GAGE GO.0200 NO-GO .0220 (Image for Illustration purposes only) Gauges G1019 GAGE GO.1490 NO-GO.1550