The ETI-Research LINK Banana is a very cost effective but great sounding connector. Known as a Sawtooth style of Banana. This design is unique in the way it will make a near perfect connection between connector and terminal.
The punched and rolled Beryllium Copper is housed in a Brass Shell for the strength and stability for continuous plugging in and out.With twin screws to secure the wire strongly in place.
This has the advantage of securing larger gauge of wire without the need of trying to solder.
The Aluminum Housing offers fantastic rejection of EMI and RF radiation and with twins screws also for Wire Strain relief.