6516: Yarn of synthetic filaments, incl. < 67 decitex

65161: Yarn of synthetic filaments, for retail sale 65162: High tenacity yarn of polyamides, excluding retail sale 65163: Other yarn, single, twist < 50 turns/m, excluding retail 65164: Other yarn, single, twist > 50 turns/m, excluding retail 65169: Other yarn, multiple or cabled, excluding retail sale 6516: Yarn of synthetic filaments, incl. < 67 decitex