This Steel Pendulum Clock Winding Tool is designed for winding vintage pendulum clocks with a 4.4mm caliber.The tool is constructed of sturdy and durable steel and equipped with a winged handle that ensures stability and comfort during operation.

1. Prepare the tool: make sure the size of the winder matches your vintage pendulum clock and check if there is any damage or looseness.

2. Insert the key: Gently insert the winder into the winding hole on the back of the clock, making sure it is perfectly aligned and secure.

3. Turn clockwise: Holding the wing handle, turn the winder clockwise at an even speed until resistance is felt. Be careful not to over-tighten as this may damage the internal mechanism.

4. FINISHING THE OPERATION: Stop rotating when appropriate resistance is felt, then carefully withdraw the winder to complete the winding process.