Conwork 10-Pack Speaker Terminal Binding Post Banana Plug Socket Connector for In-Wall Plate 5 Pair Suitable for 4mm banana plugs, spade terminals or bare wire Easy installation with screws locking and easy to use Color coded black/red for maintaining proper polarity Perfect for connecting the satellite and center speakers to AV receivers Package Contents: 10 x Banana Sockets(5Black+5Red). Lifetime Warranty.