The ceramic insert in this bobbin is extremely durable and cannot be grooved by tying thread. It is a great choice for thread of all sizes. Made in India
The Springo Miracle Whip Finisher is a rotating finishing knot tool that is spring cushioned to ensure that fine denier threads (70 denier or less) are not broken during the whip finishing process...
This all-purpose, thread bobbin is great for thread and wire of any size. The Y-shaped "arms" give tension to the spool and are easy to adjust by either spreading them apart or pushing them together...