John Deere GY20850 Lawn Mower Blade Standard Kit is specifically designed for 42" John Deere mower decks, ensuring efficient grass discharge and uniform cutting performance. These blades deliver a professional and polished lawn appearance with every mow. The comprehensive kit includes all necessary components for easy installation and hassle- maintenance, minimizing downtime and maximizing efficiency. Engineered for superior grass ejection and high-lift cutting performance, this kit makes every mow a breeze while ing your lawn into a masterpiece. Model Number: GY20850