Will this tool fit my BG86C blower, I have the same tool to adjust the carb on my KM131r but it doesn’t fit the BG86C

These are the two tools listed for your machine: https://www.lsengineers.co.uk/screwdriver-stihl-part-no-0000-890-2300.html - screwdriver https://www.lsengineers.co.uk/catalog/product/view/id/18100 - Combi wrench I have had a look in the repair manual and that does seem to be the type of screwdriver they are using.