We've had some comments lately because people don't know how to adjust the washers to the spool: Compatible with almost all spools in the market. 3 nylon washes are installed. 2 are enough for fitting most spools. Please remove 1 out of the spool for future need.
Ceramic tube is well constructed to ensure a smooth and gentle thread pass.
The resistance for pulling off the thread is micro-adjustable. The thread tension can be adjusted stepwise using an externally mounted copper wheel.
Compatible with almost all spools in the market. 3 nylon washes are installed. 2 are enough for fitting most spools. Please remove 1 out of the spool for future need.
2 pc of Aventik bobbin holders, great design and value.