This is the one I'm talking about:



Original INCRA Jig
Part Number: IJ32

I couldn't find the part number for the metric racks--call Incra.

Here are two sources:
Woodpeck.com for Router Tables, Router Lifts, Router Bits, Precision Squares, Fine Woodworking Tools and all Incra Products. and
Buy INCRA Tools Online - www.incrementaltools.com :: INCRA Precision Woodworking Tools, INCRA Fence, TS Fences, Router Tables, LS Systems