16 Pair of Gold Plated Banana Plugs (2) Black/Red (Screw/Solder Type) for 8 Speaker System by Monster-Cable-N-More Package comes with 16 pairs for a 8 Speaker System (16 red/16 black) Can accept 18 to 12 AWG speaker wires. Can accept bare wire or spades. Closed Screw type plugs. Length: 1.75 inches Construction: Copper body and tip base. Ferromanganese Tip. All 24K gold plated. Installation: Bottom ends and tips screw off for connection of speaker wire for a secure connection.