Austere Banana Jacks are the highest standard of design and performance. All-metal and built with pure gold to eliminate copper speaker wire oxidation and ensure an unimpeded music experience. The SecureLatch adapters produce an internal grip that provides an uncompromised connection, which locks the connector in place to deliver optimal performance.No more trying to shove the raw copper wire into your components and hope that it makes a reliable connection. Our banana adapters enable a secure, professional connection every time that is contained and protected from everything from snags and tugs to the elements behind your system. And the easy twist-by-hand design means no additional tools are required. Austere Banana Adapters elevate your audio and connection experience. Always.