6-PIECE PACK OF SAW QUAD SECTION WIRE: 4.0 mm LENGTH: 7 m Black coaxial STRONG NYLSAW Professional wire with a special and exclusive design with very aggressive serrated edges that allow you to do any job quickly. Fits almost every type of head on the market. Manufactured with high quality materials that make it resistant and flexible to use, it is also the most aggrassive of traditional wires. STRONG NYSAW Part No. : R302157 Original part No. : EM