Bingo!
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Bingo!
The exact same set is shown on page 37 Medlin and Huon's excellent book, "Handguns of France, 1858 -1958. The body serves as a hole for the screw driver bit and the other end is an oiler. The wire is an oil dropper and black powder residue scraper and the cloth is a two pocket bag to hold everything. They were developed for the M1873 revolver.