Optimum bobbin weight (17g) helps keep tension on material during tying Teflon coated bobbin arms. Clever Micro Slit Foam design in bobbin nose to retain constant thread tension. Complete with bobbin threader.
C & F Design
Optimum bobbin weight (17g) helps keep tension on material during tying Teflon coated bobbin arms. Clever Micro Slit Foam design in bobbin nose to retain constant thread tension. Complete with bobbin threader.