Single row, 40 pin female headers with a 2.54mm connector pitch. While not exactly snappable they can be cut to smaller sizes by cutting on a pin with a pair of side cutters (sacrificing the pin being cut). This is shown in one of the photos above.
|Number of Pins/Conductors||
-55°C to 105°C
PBT (Polybutylene Terephthalate) Thermoplastic
Gold Plated Brass (over Nickel)