Sunbelt B1FE1048 16-1/4-in. XHT Mower Blade for 48-in. Decks is designed for mower decks with a 48-inch cutting width, especially compatible with Ferris and Toro models (5101986, 103-2527) and fits new ICD decks. This blade measures 16-1/4 inches long by 2-1/2 inches wide with a 5/8-inch diameter center hole and comes as a single blade. Manufactured by Sunbelt, the XHT (Xtreme Hardness & Toughness) blade features a patented and independently tested Marbain® heat-treated steel that enhances hardness and resistance to bending and impact damage. This results in a cutting edge that stays sharper for longer periods, making XHT blades approximately 25% to 40% harder than standard lawnmower blades. It the tightest tolerances when d to all-makes blades equipment blades, ensuring reliable performance and durability. The blade is equivalent to Ferris and Toro part numbers 5101986 and 103-2527. Model Number: B1FE1048