get this set of Gator blades from Oregon, the best-known company in the mulching blade market. The blade set is extremely heavy-duty and durable, thanks to 2¾-inch width and .187-inch thickness.

The best mulching blades for a 48 inch deck are those that are specifically designed for that size of deck. Some popular options include the Oregon Gator Mulcher 3-N-1, the Maxpower 561713XB ...