Superior Threads Titanium-Coated Sewing Machine Needles for piecing, applique, quilting, embroidery and sewing using medium threads (40weight). These titanium-coated needles have an ultra thin coat of titanium nitride so they will stay sharper, longer. The Topstitch needle has a larger eye and deeper groove. It is often referred as the MAGIC NEEDLE. It really does make a difference in your sewing experience!
Choose your needle based on the thread size:
-Very fine needles #70/10 for very fine threads such as 60 wt, 100 wt, or monofilament
-Fine needles #80/12 for 50 wt fine threads
-Medium needles #90/14 for 40 wt medium threads
-Large needles #100/16 for 30 wt and heavier threads