... & Usage:NoSpecificationRegular LengthMain Usages1150D3000Y, 3500Y, 5000YSewing thread for nylon zipper, great clothes leather products shoes ... ,3500Y,5000Y6250D*23000Y, 3500Y, 5000Y7300D3000Y, 3500Y, 5000YSewing thread for leather, Leather shoes, Sofa,car cushion ... etc8400D500Y, 1000Y, 1500YSewing thread for leather, over locking,etc9500D500Y, 1000Y,1500Ythread for label, leather shoe, Sofa,car ...