Bagging blades propel more clippings into the bags and allow less clippings to drop back onto the grass Mulching blades are designed to work with decks that are equipped with mulch baffles Blades produce higher turbulence that allows the grass to be repeatedly cut and re-cut into smaller pieces Maintaining your blades will result in a cleaner cut and ensure your grass is greener and more healthy-looking Replacement blade for John Deere riding mowers with a 42-in deck Blades are designed for extreme mulching and bagging performance Extreme durability - outlasts standard blades in sandy conditions Extreme blade edge - more cutting surface Extreme effectiveness - lets you bag up to 50% more grass