"Upscale" wrote:

Spacers that come with the blades? Hmmm, the set I bought this past
summer
didn't include shims.


Oranges and apples.

"Shims" are made from cardboard and are used to get an exact width
dado.

"Spacers" are a clear plastic circles that interlock with the blade
and/or chipper to insure that the carbide teeth do not come in contact
with metal.

Lew