Aurifil 40wt cotton thread. Good weight for hand piecing. 40wt is the most popular machine embroidery thread weight. Great for all long arm quilting, edge to edge, pantographs, custom quilting, needle (3.5, 4.0), pair with 40wt bobbin thread. Fine enough for ditch stitching and has sufficient presence to give good results for general quilting with motifs. Suitable for most all machine applique techniques: raw edge applique with a straight stitch, small zig zag, blind hemming stitch, blanket stitch. Suitable also for machine applique with buttonhole stitches.