Terminals are grooved so that they can be easily snapped off with pliers to fit the electrical blocks of different vehicles
Use as is (long terminals) for Kenworth trucks. Use with one segment snapped off each terminal for: Dodge trucks, Ford heavy trucks, Navistar trucks. Use with two segments snapped off (short terminals) for Ford pickup trucks
Color-coded housings with rating marked on the top: 10A red, 15A blue, 20A yellow, 25A silver, 30A green