Commonly used in Japanese motorsport and automotive applications from the late 1970s through to the mid-1980s. A nylon material is used for the latching connectors and a harder ABS-like material is used for the non-latching connectors.
2.8mm spade-based non-latching connector pair, with terminals. Because we know crimping can be tricky we always add one extra male and female terminal for each connector pair. e.g. One 4-pin connector pair comes with 5 male and 5 female terminals.