Engineered for Jo hn De ere enthusiasts, our 48" mower blade set combines ​​military-grade high-carbon steel​​ (HRC 50+) with CNC-balanced construction to eliminate vibration and extend deck lifespan. Each blade undergoes ​​3-stage quality control​​ – from laser cutting to salt-spray testing – guaranteeing resistance to rust, impact, and grass abrasion. The optimized curvature boosts lift efficiency, directing clippings into the bag for cleaner results even in wet grass. Backed by Abbyisd's commitment to sustainable landscaping, this set reduces replacement frequency by 60% and supports eco-friendly lawn care practices.