CenryKay Banana Plugs Speaker, 10 Sets (10Red + 10 Black) 4mm Audio Speaker Wire Cable Connector Cable Plugs;

Features:
Can accept bare wire and spades
Color coded black/red rings for maintaining proper polarity
Secure, positive contact with binding posts
Copper body construction and ferromanganese tips

Copper speaker (speaker cable) banana terminal block uses non-magnetic copper material to eliminate external high-frequency electromagnetic interference.
This audio speaker banana plug Ensure a tighter connection of a speaker wire to the binding post of the speaker or the audio receiver and secure the wire in the adapter without the need of soldering. 
The banana plugs are widely used in the fields of industrial instrument, teaching instrument, power test, radio model, medical instrument, automobile test and audio equipment.

Package includes:

10 pairs of 4mm banana speaker cable plugs ( 10 x red and 10 x black )