Adaptor: 2x Female Nexus sockets

Most common use to connect STILO rally amplifiers to helmet built-in communication system with male nexus connectors (see HERE) or radio communication systems for Circuit, Rallycross, Autocross (with 4-way male).
Shaft diameter: 7.1 mm

WARNING: This item are not compatible with Trophy type sockets/connectors (6.35 mm). See picture HERE.