Make sure this fitsby entering your model number. Replaces Part Numbers: 1704856, 1704101 Works with 38″ cut mowers Replacement for blade 1704856: 16 1/8″ length, 2″ width, 0.203″ thickness, 3/4″ center hole, 1 1/8″ air lift Replacement for blade 1704101: 22 1/4″ length, 2″ width, 0.203″ thickness, 3/4″ center hole, 1 1/16″ air lift