#mm female to mm female

Manloney LLC Universal Foster Quick-Disconnect Coupling Fill Adapter PCP Paintball HPA Air Tool Fittings , 8MM Male to Male

2PCS 3.5mm to 3.5mm Audio Female to Female Adapter, Upgraded NANYI Gold Plated Connectors Connect Two 3.5mm Stereo Audio Cables to Extend The Connection

4PCS 3.5mm to 3.5mm Audio Female to Female Adapter, Upgraded NANYI Connectors Connect Two 3.5mm Stereo Audio Cables to Extend The Connection