Home / Crimp Tool Gauges / Gauges / G649 G649 GAGE GO .4125 NO-GO .4175 Add to quote SKU: G649 Category: Gauges Description Description GAGE GO .4125 NO-GO .4175 Related products Gauges G1002 GAGE GO .0450 NO-GO .0500 – M309 Gauges G1022 GAGE GO.0485 NO-GO .0535 Gauges G1019 GAGE GO.1490 NO-GO.1550 Gauges G1018 GAGE GO.1920 NO-GO.1980