The plugs are stackable with a cage spring to provide secure connection, and incorporate a socket at the rear to accomodate an additional 4mm plug. Body and spring are nickel plated machined brass, insulated covers manufactured from ABS plastic.
The plugs are stackable with a cage spring to provide secure connection, and incorporate a socket at the rear to accomodate an additional 4mm plug. Body and spring are nickel plated machined brass, insulated covers manufactured from ABS plastic.