John Deere AM141032 Mower Blade Kit, 42 in. is crafted with a combination of carbon and boron to deliver exceptional hardness, ensuring a long life and a sharp edge without breakage. This John Deere equipment manufacturer (OEM) part undergoes extensive testing to wear resistance and durability. The kit includes two blades designed to fit a variety of 42-inch deck models, including those with both 12mm and 5/8" spindles such as LT150, LT160, LT170, LT180, SST15, SST16, X300, X304, X320, X340, X360, X500, X520, X540, Z225, and Z235. For assistance in finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday from 8:00 AM to 5:00 PM EST. Model Number: AM141032