Product Specification: . Banana clip for power supply Have screws locking and a shaft, prevent post rotation, convenient to fix. With aluminum alloy core, nickel-plated, and a solid hard plastic shell, the binding post is durable and reliable, have a stable performance. Suitable for 4mm banana plugs, spade terminals or a bare wire, easy to install and use. Color-coded black/red for maintaining proper polarity. Ideal for speaker enclosure applications and amplifier, perfect for connecting center speakers to AV receivers. Mounting Boring Diameter: 8mm Socket Diameter for Banana Plug: 4mm 1X Banana Plug Set Banana clip of Red Black
