Description The item is 5 pairs of 4mm open screw type banana plugs without crimping or soldering. It is widely used to ensure a tighter connection of a speaker wire to the binding post in the back of the speaker or in the back of the audio receiver. These open screw type plugs can accept bare wire, spades, or other banana plugs. They are compatible with the speaker wire from 12 to 18 AWG. Features - Color: Black, red - Material: Metal - Size: 4mm - Fit bare wire or spades, other banana plugs and 12 to 18 AWG speaker wires. - 24K gold plated metal, sturdy and anti-corrosion. Ensures minimal signal loss and sound distortion. - Color coded black/ red rings for maintaining proper polarity. - Perfect for connecting the satellite and center speakers to AV receivers in a 5.1 or 7.1 channel surround sound system. - Widely used to ensure a tighter connection of a speaker wire to the binding post in the back of the speaker or in the back of the audio receiver. - Applicable to the connection of the amplifier banana seat and the audio column interface.Package list: 1 x set of 5 Pairs of 4mm 24K Gold Plated Open Screw Type Banana Plug Connectors for Speaker (Black and Red)