Screw connector fitting， no soldering neededStandard size fits most speaker20pcs 4mm speaker connector (banana plugs)10 red plugs and 10 black plugsThe banana plugs will connect from 2mm up to 5mm diameter speaker wireSpecifications:Dimension: approx. 9mm x 39mmMaterial: plastic & metal (gold plated)Applications:Primarily used to ensure a tighter connection of a speaker wire to the binding post in the back of the speaker or in the back of the audio receiver.Package included:20 X Banana speaker plugsNote:
