The scale on the main fence (and the rip fence) are both movable within a groove.

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I don’t think there is any reason to replace the telescope fence. It is a sticky tape that is glued. When I removed the imperial tape, there weren’t any glue residue from the old tape.?
The only problematic thing is once the new tape touches the fence, it is irreversible.

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For me Felder sent two of those tapes since the first time I put it in, it was too far into the stop, and I was 0.8mm off (when the stop at the edge.?