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 G1020 GAGE GO.1970 NO-GO.2020 Gauges G1007 GAGE GO .0860 NO-GO .0950 – M309 Gauges G1002 GAGE GO .0450 NO-GO .0500 – M309 Gauges G1011 ^GAGE GO .0740 NO-GO .0780