.The Platinum Eclipse 10 biwire jumpers provide the highest fidelity adapting standard 2-terminal speaker cables to speakers with 4-terminal biwired inputs. The world’s purest OCC-7N solid silver conductors provide the most lifelike sound quality on high-end audiophile systems. For the best preservation of delicate musical information, we recommend connecting speaker cables directly to the high frequency terminals and using the jumpers to connect the low frequency terminals. The jumper arrows should also point to the low frequency terminals. Pack of 4 biwire jumpers with Banana plug or Spade lug terminations. Jumpers are six inches (6") in length.