Bespeco SLFM300 Silos Series Mic Cable - Oxygen Free Copper (OFC) 6 mm, Length - 9.8' Silos series Oxygen free copper (O.F.C.) 99% pure copper, noiseless cable thanks to the addition of graphite and highly resistant Jacks internal connections are covered with a special resin Length: 3 MT Diameter: shielded sterol 6 mm