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Watchmaker screwdriver sharpening board in 6 different 3M lapping strips.
Watchmakers screwdriver sharpening board containing 6 different 3M lapping stripes (20 x 3 cm) in the following grades: 40 / 30 / 12 / 9 / 3 / 1 microns.
Aluminium Oxide
Board size: 20 x 16 x 0.5 cm
This perspex board & lapping strips are designed to be used with Bergeon screwdrivers and sharpening tool ref. 2461.