Perfectly sized replacement hand nut to ensure the correct fit for your mechanical grandfather clock movement, 10mm in diameter, ensuring smooth operation. Specifically designed for clock movements that wind through chains or are powered by keys or cranks, not for fully automatic or electric movements.
  Discover high-quality craftsmanship with this precision-made replacement hand nut, crafted in Germany to last a lifetime. Perfectly sized for mechanical grandfather clocks, ensuring smooth winding and accurate timekeeping. Designed for clock movements that operate through chains or keys.