The PROCAB PCMJ3M professional 3.5mm mini jack consist of a scratch resistant shell that is made of die-cast zinc with a black chrome plating. The flexible cable insert at the back of the connector is made with a polyacetal bushing with an EPDM sealing jacket and can fit large cable diameters due to it's innovative cable clamp design with strain relief concealed inside. Gold plating is provided on the contacts to ensure the most trustworthy connections.