Package Includes: You will receive two clockwork keys.
Material: These clockwork keys are made of metal and are strong and durable.
Size: The outer hole of the clockwork key is 8mm in diameter and the inner hole is 4.4mm in diameter.
Practical Design: These metal winding keys are sturdy and durable, if your old clock's winding key is damaged or lost, try these winding keys, they can give your antique clock a new look.
Wide Use: These clockwork keys are practical for antique mechanical desk clocks, wall clocks, wooden clocks, alarm clocks and more.