Aurifil 50 wt cone threads have over 6,400 yards of thread, perfect for long-arm quilters or for the avid quilter where the normal spool is just not enough! These quilting thread cones are the most popular type made of 100% Cotton Mako Thread. Our Aurifil cone threads can be used for machine piecing, hand piecing, machine applique, hand needle turned applique, fine needlework, foundation piecing, miniature patchwork, detailed quilting, bobbin lace making and machine embroidery. Purchase your Aurifil thread cones at Fat Quarter Shop.