THIS IS FOR A 2 PACK 6 GAUGE COPPER BUTT CONNECTORS 

HIGH QUALITY OXYGEN FREE COPPER 

CONNECTOR BARREL SIZE: 6 AWG

WALL THICKNESS: 0.039" (1.0MM)

INNER DIAMETER: 0.228" (5.80MM)

OUTER DIAMETER: 0.307" (7.80MM)

OVERALL LENGTH: 1.18" (30.0MM)