w/ 1000 Series Connectors - Set of 4 AudioQuest’s top-of-the-line Dragon BiWire Jumpers employ Direction-Controlled Solid Perfect-Surface Silver (PSS) covered with a Conductive Carbon-loaded extrusion that reduces RF pick-up.Dragon BiWire Jumpers are 8” long and available with AudioQuest’s 1000-Series Hanging-Silver plated extreme-purity Red Copper spades or bananas on either end — simplifying the connection where the speaker cable is attached.