Oupiin 4 way dual row header socket for connection to secondary boards with male headers. 0.1" inch (2.54mm) pitch spacing. Gold Plated Contacts. 8.5mm plastic surround height. Oupiin series 2044.
Note that if these headers are placed end to end, the pin spacing will be increased at the join to 2.74mm. The housing can be trimmed with a sharp knife should this solution be required.