1--Super high tenacity 2--Super low elongation 3--No reak knots 4--Well working for super-fast sewing machine ART. NO.:PP-SW NETicket Size Lengthcolor cardcolor Usage55s/21505000M,10000YS500 Classic Garments,Shirts Pants&Lingerie52s/21405000M,10000YS50045s/21205000M,10000YS50040s/21005000Y,10000YS500 Pants&Jackets30s/2805000Y,10000YS500 Button-Hole,Handbag&Suitcase Sportswear28s/2803000M, ...