Banana sockets for mounting on to speaker cable. Mates with a standard 4mm banana plug. Screw termination with no soldering required. Made of high quality pure copper and plastic,good contact, wear resistance and stable transmission signal. Color: Black,Red.Package Content : 10PCS(5PCS for Each Color). Product description Specifications: Product Name : Banana Jack Connector Material: Copper,Plastic Fit Type : 4mm Banana Plug Color: Black,Red Package Content:10PCS(5PCS for Each Color) Feature Banana sockets for mounting on to speaker cable. Mates with a standard 4mm banana plug. Screw termination with no soldering required.