12wt is the heaviest weight thread that Aurifil offers and is perfect a variety of uses.
Hand Appliqué, Hand Embroidery, Hand Quilting, Cross Stitch, Embellishment and Lace, Machine Appliqué,
Blanket Stitch, Buttonhole Stitch, Machine Embroidery, Machine Art Quilting, Sashiko, Redwork, Lower
Looper Overlocking and Longarm Quilting
- 100/16 or 90/14 Topstitch Needle (40wt in the bobbin)
- 4.5 Longarm Needle (28wt in the bobbin)