12 Gauge Male Packard Terminals?

25 Packard 56 Series Male 12 Gauge Terminals GM 2971859
25 Packard 56 Series Female 12 Gauge Terminals GM 2989877
25 Packard 56 Series Male 16-14 Gauge Terminals GM 2971962
25 Packard 56 Series Female 16-14 Gauge Terminals GM 296586
From Amazon web sight. looks like the only difference is the wire retaining loop is bigger for larger cable diam.