Figure 8 Speaker Cable 413/0.12mm - 100m Roll. Made using oxygen free copper, the best material in reducing interference and improving conductivity - the cable is transparent PVC jacketed for durability and flexibility. Supplied on 100 metre, strong polypropylene reels with count-down metre-marking. Features Manufactured using oxygen free copper. Strands 413, Thickness 0.12mm Roll length 100m. AWG 11 Solid diameter equivalent of 2.439mm Warranty 1 year limited warranty.