Features: Experience unparalleledly auditory sound with our 4mm Speaker Banana Plug Easy installation: The screw designing ensures a solid connection between the banana plug and the speaker cable. Wide ranging of applications: 4mm banana Plug can easily and securedly connection various size of speaker cables up to 4mm in diameter For receivers, amplifiers, and surround sound systems. Convenient to Use: This banana plug plug Plug seamlessly into the connector of auditory component, eliminating the need to screw on or unscrew speaker cable, and produces the truest auditory frequencies Specifications: Item: 4mm Speaker Banana Plug Size：about 35x10x10mm/1.37x0.39x0.39in Component：Copper Package Includes: 2PCS 4mm Speaker Banana Plugs note: Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement