This 20-piece mainspring winder set is a great addition for any watchmaker or horology enthusiast. Here's a breakdown of the key features:

Key Features:

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  Complete 20-Piece Set: Includes 20 winders, each with a drum and arbor, specifically designed for a variety of calibres.


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  Clear Labelling: Each drum and arbor is clearly labeled with the respective calibre number for easy identification and use.


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  Handle Included: The set comes with a single handle to use with all the included winders.


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  Wooden Storage Box: The set is neatly housed in a high-quality wooden box, which not only keeps everything organized but also includes 30 drum slots, allowing you to store additional winders.


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  Versatile Calibre Compatibility: The set is compatible with a wide range of calibres, including but not limited to:
  
  
  
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    240, 899, 1847, 1904-1, 1904-2
  
  
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    2000, 2135, 2235, 2450, 2671
  
  
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    2892, 3120, 3135, 7750, 8200
  
  
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    8500-1, 8500-2, 9015, L888, C7111
  
  
  
  

Advantages:

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  Precision & Convenience: Ideal for watchmakers working with different movements, ensuring precise handling of mainsprings without damaging the delicate parts.


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  Professional Storage: The wooden box not only looks great but also provides a functional way to keep all winders in one place, ready for use when needed.


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  Organization: With extra storage slots for future expansion, the box is perfect for growing your tool collection over time.