Aurifil Cotton Thread Mako 40wt is suitable for most machine applique techniques including raw edge, small zig zag, blind hemming stitch, blanket stitch, and buttonhole stitch. It gives a perfect result with a nice flat seam and is perfect for quilting texture or a quilted motif that stands out a bit more. Use 40 wt. or 50 wt. of the same color in the bobbin. This set is great for long arm quilting, edge to edge, pantographs, and custom quilting. For long arm, use with a 3.5 to 4.0 needle and pair with 50 wt. bobbin thread. Details: Available in multiple colors 40 wt. 2-ply Contains 3 large spools Cotton