grinding film for spring machining

Very fine sanding film for sanding/optimizing the feather grain.

Size: 13.9cm x 10.8cm.

Grain size:

Brown: 5 MIC corresponds to a Micro-Mesh (MM) grain of 4,000.

Pink: 3 MIC corresponds to 8,000 MM.

Yellow: 1 MIC (finer than 12,000 MM).

White: 0.3 MIC (extremely fine).

Sand only with water/ink, not dry.

Test yourself carefully and watch advice videos if necessary.

We assume no liability for damage to the writing instrument caused by your own fault.

(The Montblanc Meisterstück is not part of the product display and is only used for size comparison).