Gail Yellen’s Thread Fusion is a decorative thread blending tool. Create subtly color-blended stitching for beautiful embellishments on quilts, garments and home décor projects. It’s wonderful for overlock and cover/chainstitching as well as machine embroidery, stunning thread painting and multi-thread topstitching for surface embellishing. Useful with all types of threads (threads not included) and can be used on all domestic sewing machines serger, long arm and embroidery. It conveniently holds four regular or four mini king spools of your favorite threads at a time. Position over machine thread vertical spool spindle or with a thread stand. Solid base dimensions: 4 in. across x ⅝ high with four metal pins (unscrew the pins for convenient flat packing). The concave curves allow the stand to “nest” between spool pins. Non-slip rubber feet add extra stability on any surface. Perfect for the BERNINA L8 serger series and other models of sergers, as well as sewing, embroidery and quilting machines.