Our Wonder Invisible Nylon and Topstitch Needles bundle includes a 2,000-yard spool of our ultra fine nylon monofilament thread and a 5-needle pack of #70/10 Titanium-coated Topstitch Needles. Wonder Invisible is flexible and beloved by quilters for invisible applique, free-motion quilting, and stitch-in-the-ditch. Loosen your top tension to 1.0-2.0 and use a Topstitch #70/10 needle for optimal results.