Deck Organisers

[Aries]

Does anyone know the source of twin sheave Deck Organisers with 35mm centres?
Barton are 43mm, Spinlock have a new range that require 4 bolts to fix 2 sheaves and Lewmar are 47mm centres.
The existing ones appear to be French (the boat is a 1981 Dufour).

Thanks

David

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