Stonfo Steeltech Bobbin

The Stonfo Steeltech Bobbin is a stainless steel bobbin holder designed for precise and stable threading during tying. It features adjustable tension knobs and a central shaft for spool stability, with a hardened steel insert to prevent thread fraying.

• The description claims the tool provides excellent thread tension and balance.
• The description claims the hardened steel bush prevents thread fraying under heavy use.