GX20249 GX20433 GY20567 Ten Fits John Deere Lawn Mower BladesTen New Aftermarket Replacement High Lift Mower Blades Fits John Deere (Fits JD) L100 Series Lawn Tractors This set of ten (10) aftermarket replacement high lift mower blades Fits John Deere and Scotts riding mowers equipped with a 42 inch mower deck. Two blades are required per mowing deck, making this a five service set. These blades are designed for superior grass ejection and bagging performance on the 42 inch cut L100 Series lawn tractors.