40 Pin Female Header

This Break away female header connector is a Single-row, 40-pin (1×40), straight female header strip designed to match 0.1″(2.54 mm) male headers.These 0.1″ straight female header strips are commonly used as low-cost connectors for custom-made cables or perforated prototyping PCBs. The standard spacing is the same as on most solderless breadboards.