GY20852 GX21784Durable Material: Our lawn mower blades are made of sturdy steel that is not easily worn, bent or broken. This can effectively help professional horticulturists or gardening enthusiasts easily improve work efficiency GY20852 GX21784Humanity Design: Sharp mower blades and powder coating not only achieve efficient and uniform cutting effects without leaving grass debris, but also protect the palm during installation and enhance outdoor durability GY20852 GX21784Wide Adaptability: ELITEWILL lawn mower blades compatible with most 48inch John Deere Lawn Tractors D140 D150 D160 D155. Replaces OEM #'s AM137757，AM141035，GX21784，GX21786 ，GY20852 GY20852 GX21784Upgraded Structure: The structure of the mower blades has been carefully optimized to enhance overall balance and prevent vibration during operation, effectively protecting your lawn mower from damage GY20852 GX21784 Bolt on Installation: Our lawn mower part is very convenient to install on your lawn mower, and each package comes with installation instructions for all hardware and accessories. Help you create a organized garden, farm, or courtyard environment Upgrade your lawn mower with these heavy-duty mulching blades. Crafted from robust steel, these 3 replacement blades are designed to withstand the rigors of regular mowing. Their star-shaped holes allow for seamless installation on most lawn mower models. Effortlessly slice through thick grass and weeds, leaving behind a perfectly manicured lawn. With their durable construction, these blades promise long-lasting performance, season after season. Invest in these top-quality mulching blades and elevate your lawn care experience.