The kit features easy-to-install baffles that fit under mower decks to create a separate cutting chamber for each blade. When cut, grass lifts into the cutting chamber and gets cut many times before dropping onto the lawn. This kit fits 42 in. Gravely ZT X, ZT XL, and Ariens Ikon XD models. This kit includes 3 baffle weldments, 3 blades and the necessary hardware.