The RX0209 with Extended Fittings - Raspberry Pi RoHS is an electronic part manufactured by Bettertree. It is a socket that is compatible with Raspberry Pi A, B, Zero, Zero W, 3, 3B+, 4, and 4B+ models. It features extended fittings on the socket, for added flexibility and versatility in mounting configurations. The RX0209 is made from durable, impact-resistant plastic and is RoHS certified, meaning it meets the requirements of hazardous substances set forth by the European Union. This part has an overall size of 15mm x 12mm and requires a through-hole for installation.