Conwork 2-Pair Copper Speaker Banana Plugs Open Screw Type 4mm for Musical Audio Speaker Cable Wire Connectors (4-Pack) Screw connector fitting, no soldering needed Standard size fits most speakers Gold-plating resists corrosion and ensures minimal signal loss Color coded black/red for maintaining proper polarity Perfect for connecting the satellite and center speakers to AV receivers Package Contents: 4 x Banana plug (2Black+2Red). Lifetime Warranty.