Topstitch 14/90 Organ Titanium Needle 10pk

Organ Needles Topstitch Titanium 10 PACK
This special needle has a very long, almost double length, eye.
It is made for Top-Stitching and will accept heavy or multiple threads.
It can also be used for embroidery with very heavy metallic threads.
Wonderful for Free Motion Quilting

How often do I need to change the needle?
A good rule to follow is every 3 to 5 hours of sewing, which is probably after every quilt is finished.