Original equipment part for CRAFTSMAN blades starting with 942-05056 and 742-05056. Fits CRAFTSMAN riding mowers and zero-turn mowers with 54 in. cutting decks and a S shape center hole pattern. Refer to the parts list label under the rider hood or under the zero-turn seat mounting bracket for original equipment parts. The zero-turn seat will need to be pivoted forward for visibility of the parts list label. Contents include three mulching blades with a S shape center hole pattern, one molded plug and hardware. Factory tested and approved to provide the perfect fit, superior strength, durability and performance. Sharp-edged blades cut grass cleanly and make their way through grass more efficiently, reducing overall mowing time and effort. Ideal for finely cutting grass clippings and redistributing them back into your lawn, providing essential nutrients. Mulching saves time by replacing the need for raking, bagging and hauling away leaves and clippings. For detailed installation instructions, please refer to your operator’s manual