The Stonfo Steeltech Bobbin New for Spring 2024 is a solid, super stable stainless steel adjustable tension bobbin. Unlike some of the other adjustable tension bobbins we have used the Stonfo Steeltech is super easy to use.
The 36gram weight of the bobbin keeps it super stable when wrapping any thread type. Knobs on each side of the bobbin allow for easy adjustment and spool swapping. The arms of the bobbin are doubled stainless steel and springy. The Steeltech bobbin is very comfortable in hand. Whether you use the flat thumb side or the rounded side the weight and feel are super nice.
To insert thread spool simply unscrew the knurled knobs until you can insert, retighten to desired tension. Made in Italy
