Section 11 TEXTILES AND TEXTILES ARTICLES 51 WOOL, FINE OR COARSE ANIMAL HAIR; HORSEHAIR YARN AND WOVEN FABRIC 51 07 YARN COMBED WOOL, NOT PUT UP FOR RETAIL SALE. Commodity Code Description 51 07 10 YARN OF COMBED WOOL, CONT.=>85% BY WGT OF WOOL, NOT FOR RETAIL SALE 51 07 20 YARN OF COMBED WOOL, CONT.<85% BY WGT OF WOOL, NOT FOR RETAIL SALE