We use the macromolecule nylon additive that can improve its wearability and anti_aging .

It is adept to use in grass trimmer machine .safe,economic and long_time use are its advantage.

We can produce the line in the shape of round,squareness,hexagon in all kinds of color

Dia: 1.6mm_ 5.0mm

Packing: In hank or in spool.