The cleaning brushes are great, but replacement not easy. I asked for the size and type of a bit that would be needed to remove the old brush, but the person I talked to didn't know. I ended up buying what I thought would work and they didn't. So I went to out local hardware store grabbed a new cleaning brush, went to the tool department and after them trying different Allen type hex sizes came up with the right one which is a 2.5mm
Eklind #54925. It was a lot of trouble for something that should have been simple.
I suggest you put the size with your 2 brush replacement kit or even better a bit or tool that would work.
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