John Deere GX20433 High Lift Mower Blades, Set of 2 are crafted with a blend of carbon and boron to ensure a durable, sharp edge that resists breakage and long-lasting performance. These John Deere OEM blades undergo rigorous testing to superior wear resistance and longevity. Designed specifically for 42" deck models including L100, L110, L108, L111, and L118, this set includes two high-quality blades that help maintain optimal mowing efficiency. For assistance in selecting the right John Deere parts or accessories, customer support is available Monday through Friday from 8:00 AM to 5:00 PM EST. Model Number: GX20433