Banana Plugs, MACTIS 7pcs Stereo Speaker Jack Connectors Male to Female Screw Type 4mm Gold Plated Plug (Open Screw, Gold) HIGH QUALITY MATERIAL - Sturdy construction of gold plated housing and zinc alloy to ensure reliability and durability, provide banana plugs with long life performance and perfect sound quality. EASY TO USE - Single screws locking, no soldering for the male banana plug. Easy To Install Banana plugs make installing speakers much easier. They are sized to fit speaker wire from 12 to 18 AWG PROFESSIONAL TECHNOLOGY - The entire plug is then plated with gold to help prevent corrosion and ensure smooth connections for maximum signal transfer and durability. ROHS standard. WITH THIS ADAPTER - You have the flexibility of running even the stiffest cables flat against a surface, without damaging anything in the process. COMPATIBILITIES - Suitable for all kinds of instrument, home audio, speaker, mechanical equipment, lamps, model, toys etc.