Section 11 Textiles and textiles articles 51 Wool, fine and coarse animal hair, horsehair yarn and woven fabric 51 10 Yarn of coarse animal hair or of horsehair (including gimped horsehair yarn), whether or not put up for retail sale Commodity Code Description 51 10 00 Yarn of coarse animal hair or of horsehair (including gimped horsehair yarn), whether or not put up for retail sale.