Multiple Arquebusier Key, 3 Screwdrivers, Central Adjustment, 17th Century

Nice tool for an arquebus, four-function multiple wrench, 3 different screwdrivers, and on centre probably, the cutout for a rotary adjustment knob. Unfortunately, I do not have the weapon that this tool was intended to be used for.
Beautiful gunsmith work, very neat. End of the screwdrivers a little worn in places.
Dimensions = fits into a triangle of 10cm x 9cm.
Rare object, late 17th or early 18th.
This item is for immediate purchase, payable by credit card or paypal.
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