I did have a quick read over at CNC zone about the KRs. I can see that people using the smaller models, single block, and large routers might have an issue with them as Zs. I've picked up a KR46, with two blocks and it's the same width as the spindle I'll use, so I'm sure it will be fine. It does look a bit tall, being so thin.

The KR55 is a monster, beautifully constructed.

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