This saw has a larger 6 ½" diameter blade that can undercut
doors in place, and comes with a masonry blade for undercutting
hearths. A diamond blade (No. 822) is available for undercutting
tile and stone. Other enhanced features include a more powerful,
lower RPM motor that throws less dust, dust control port, threaded
rod height adjustment that will not slip, and rugged aluminum
ratchet handle. Undercuts most everywhere including inside
corners. Comes with case, blade wrench, and instructions.