"Screw-on Speaker Pins from Impact Acoustics offer excellent sound quality for today's audio and home theater applications. These premium connectors are constructed with 24K gold plating that provides ultra low-loss signal transfers and resists deterioration. If you want your system to perform at its highest capability, these connectors from Impact Acoustics will make it happen. The screw-type connectors can receive up to 8 AWG wire, and the stackable design makes cable management easier. Each package contains two black- and two red-coded connectors for quick identification. With Impact Acoustics' Screw-on Speaker Pins, you acquire a system that looks good, sounds great, and provides years of listening enjoyment! Connector: Pin-type Plug. Two-way cable entrance for quick, easy installation. Accepts speaker wire up to 8 AWG. Corrosion-resistant, precision-machined 24K gold plated connectors ensure superior fit and long lasting quality."