Tezla Audio 12 Gauge paired speaker wire, tinned copper strands, black flexible jacket, O.D.: 4.5*9.0 mm, 250 FT /76.2 meter per spoolTezla Audio 12 Gauge paired speaker wire, tinned copper strands, black flexible jacket, O.D.: 4.5*9.0 mm, 250 FT /76.2 meter per spool