... : nylon 2)CE/GS/SGS/ISO9001 trimmer line1) We manufacture may different models of trimmer linesMaterialLine DesriptionDIA.Line TypeLine TypeNewModellength in FeetClam ... , sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on.3) Our factory has been appraised ... ) We have the CE, GS, SGS, ISO9001 conformity certifications. grass trimmer line for garden tools