- Ollie Baker style clock mainspring winder
- For both hole and loop end mainsprings
- Includes 9 different size mainspring sleeves
- Left and right turning handle with heavy-duty steel ratchet and pin system for sure and safe locking
- Aluminium frame
- Can be screwed to your bench or used in a vice
- Also requires let down arbours (available separately)
- Made in the USA
Mainspring sleeve sizes (inside diameter):
- Ø22, 25, 28, 31, 35, 38, 41, 44 & 54mm
- 1.65mm thick metal
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