Bergeon No. 6377 Watchmakers Case Back Brush.
This product will aid with the cleaning of all watch case backs and case rims. It uses are limitless as the texture of the bristles can be Soft to very Hard.
Bristle strength:
No 0 - very stiffNo 1 - stiffNo 2 - semi-stiffNo 3 - semi-softNo 4 - soft
Bergeon No. 6377
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