Rivot End Mainspring Winder

Clock - Rivot End - Mainspring Winder1. Insert the main wheel and winding arbor in the tool.2. Clamp the main wheel to the tool.3. Hook the loop end of the mainspring over the short outside pin.4. Wind from the bottom with a key.5. Insert a mainspring clamp over the mainspring once it is wound to the required diameter.6. Wear protective glasses and gloves.