Description: 2pcs Amplifier Speaker Terminal Binding Post Banana Plug Socket Connector Compact， reliable and durable. Insulated post， external parts insulated. Easy installation with screws locking and easy to use. Suitable for 4mm banana plugs， spade terminals or bare wire. Specifications: Material: solid hard Copper with gold-plated Connections: Soldered Size: approx. 14.5mm diameter (max). 32mm height Package Included: 1 X 2pcs Speaker Spade Terminal Binding Post