Sunbelt B1PD1041 21 in. Predator Mower Blade is designed specifically for John Deere 7 Iron mower decks with a 60" cut. This blade measures 21 inches long, 3 inches wide, and 0.250 inches thick, featuring a toothed design with a 29/32" diameter center hole. The package includes one blade. Sunbelt Predator blades an extended cutting length that enhances cutting efficiency and superior mulching capabilities d to traditional mulching blades. The innovative airflow tooth design not only strengthens the blade but also increases airflow for finer clippings, while the cutting edges maintain sharpness for longer periods. Made from a unique patented and independently tested Marbain® heat-treated steel, this blade provides increased hardness and resistance to bending and impact damage, resulting in a cutting edge that stays sharper longer. These blades are approximately 25% to 40% harder than standard lawnmower blades, ensuring the tightest tolerances when d to equipment blades. This blade is a reliable for John Deere parts M128485, M133381, M144196, M163983, M168223, TCU15881, and Oregon 91-930. Model Number: B1PD1041