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Twin-Lane 1-20 mm Setup Block

This stepped setup gauge has two lanes. One lane has even heights from 2 to 20 mm and the other has odd heights from 1 to 19 mm, so every whole millimetre from 1 to 20 is covered on a block about 80 x 24 mm. Use it to set router bit height, table-saw blade height, fence offsets and depth stops in one touch instead of with a ruler. There is a 5 mm hang hole in the tallest step.