Eupheng Fly Tying Tool Combo Fly Tying Accessories and Tools Kit, Fly Tying Bobbin Holder, Hair Stacker, Cutting Pliers, Fly Tying Scissors or More

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.