A miter saw includes a tool adjustment unit having a joint pivotable about an
axis,
a guide rail spaced from and coupled to the joint so as to pivot about the axis,
a saw housing mounted on the guide rail and a linear motion bearing assembly, which
is positioned between the guide rail and the saw housing. The guide rail and the
linear motion bearing are so shaped and dimensioned that the saw housing and the
guide rail rotationally engage one another in a substantially play free manner
to displace a saw blade between a plurality of angled positions.