Home / Crimp Tool Gauges / Gauges / G420 G420 GAGE GO .0490 NO-GO .0540 Add to quote SKU: G420 Category: Gauges Description Description GAGE GO .0490 NO-GO .0540 Related products Gauges G1006 GAGE GO .0760 NO-GO .0810 – M309 Gauges G1003 GAGE GO .0520 NO-GO .0570 – M309 Gauges G1007 GAGE GO .0860 NO-GO .0950 – M309 Gauges G1020 GAGE GO.1970 NO-GO.2020