This 19" model is a feature rich package that can save you time over conventional 16" and 18" models when mowing the lawn. It features, 1) the mulch plug - mulch the grass leaving a neat and tidy finish without the catcher, 2) the Smartchute - use as a side discharge chute to clear the grass, 3) the catcher - attach for a groomed clean finish, and 4) the chipper - use for cleaning up the yard or disposing of a few fallen branches or pruning's. Ideal for disposing of palm fronds that will not jam or wrap. A dedicated fifth blade does the chipping, leave the catcher on to collect the chips. Exclusive to Bunnings Australia.