Perfect Hatch Bobbin Thumb Ceramic
Perfect Hatch Bobbin Thumb Ceramic, Bobbin Thumb Ceramic: The Perfect Hatch(R) thumb bobbin provides an easy grip round disc. The flared ceramic tube reduces pressure at the bobbin tip and the smooth surface prevents the thread from fraying. Stainless steel tension arms keep constant pressure on the thread spool and solid brass parts keep tension on your thread while hanging.