The Lowery Carousel Thread Organizer has spaces for 16 needles and skeins. It mounts on the vertical section of your 'L' bar and rotates 360° for easy selection of thread.
Includes stickers for custom identification of threads.
Choose your based on the workstand you have: SG21 for Silver-Grey or Colored workstands and SS21 for Stainless Steel workstands.
Photo shows thread organizer attached to a Lowery workstand, which is sold separately.