Conwork 8-Pack Speaker Terminal Binding Post Banana Plug Socket Connector for In Wall Plate Anti corrosion gold plated connectors Coupler type, gold plated binding posts accept bare wire, spades, or banana plugs on either side No soldering needed Banana plugs are color coded with red ring and black ring Package Contents: 8 x Speaker Terminal Binding Post(4Red+4Black ring). Limited lifetime Warranty and Product Support.