Highlights:Dimension: 0.87 x 3.82 cmMaterial: Plastic and Metal10 pairs 4mm gold plated banana speaker cable plugs ( 10 x red and 10 x black )The pin is the standard size of 4mm diameter， fitted for most speakers worldwideThe plugs can be stacked with existing 4mm banana plugsCompatible with up to 3mm diameter of speaker cablesScrew connector fitting - no soldering requiredWhat's in the parcel?10 x Red Banana Plugs 4mm10 x Black Banana Plugs 4mm