* 6 pairs of banana plugs (12 plugs total)with self-crimping teeth for an easy installation and reliable connection. * 24k gold plated provides corrosion protection and maximum signal transfer * Body Diameter=13.2mm, Tip Diamter=4mm, Middle Head Diamter=4.6mm, Tail hole=6.5mm. * Red and black labels for polarity identification * Maximum wire size 8 AWG (10 AWG suggested) Get the most out of your home audio system by ensuring the best connection from your speaker cable to your receiver with the KCT Banana plugs. Using self crimping teeth these plugs provide a simple, secure, and low profile connection without requiring soldering or screws. These plugs are extremely low profile making it so you can put your speakers or receiver closer to the wall. Unlike other banana plugs that use low quality metals like zinc alloy the KCT Banana plugs use pure copper and high quality brass with 24k gold plating.