Cables are 100% operational, tried and tested. Come with original boxes they were delivered in. This is a beautiful pair, each 3 m long. New rhodium plated banana plugs installed. Description from dealers page: Silent Wire Series 7 LS7 mk2 Stereo Speaker Cable is the appropriate addition to the NF7 mk2. 4x 2.5 mm2 OF copper with 0.07 heddle structure. This speaker cable is also capable of bi-wire. Sound-wise, it impresses with a present, crisp bass, dynamic mid-range and its silky heights.