The banana plugs will connect from 2mm up to 5mm diameter speaker wire
Great tools for using in the audio equipment, industrial instrument ,power test and automobile test

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.