QUAD SECTION SECTION SAW WIRE THREAD Ø: 4,0 mm LENGTH: 21 m coaxial wire STRONG NYLSAW black Professional wire with a special and exclusive design with very aggressive serrated edges which allow a quick execution of any work. 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. : R302164 Original part No. : EM