The John Deere AM137330 is a genuine OEM mowing blade set designed for specific John Deere lawn tractors and zero-turn mowers. This set includes three high-quality blades, engineered to deliver a superior cut and maintain the health of your lawn. Each blade is approximately 476.25 mm (18.75 inches) in length, providing efficient cutting coverage. Manufactured to John Deere's rigorous standards, these blades ensure durability and precise fitment, contributing to the longevity and performance of your mowing equipment. Always refer to your machine's operator's manual for correct installation and maintenance procedures.