A fluid transfer device for transferring fluid from a first fluid container to a second fluid container such as a piercing member protection device. The fluid transfer device can comprise a longitudinal axis A and a first connection part comprising a connector that connects to the first fluid container. The fluid transfer device can further comprise a second connection part rotatably mounted to the first connection part by a mounting element, and the second connection part can further comprise a threaded coupling that connects the second fluid container. The mounting element can enable turning of the second connection part with respect to the first connection part. Such a device can allow a user to safely turn e.g., a syringe after assembly to read a volume indication or similar.
