The John Deere 48 in. 3-in-1 Mower Blade helps provide you with a better lift of grass for a consistent cut. These blades are made of alloy steel and a high carbon content for durability and a long lasting cut.. For questions about service and repair, please call the John Deere Customer Contact Center at 800-537-8233 or reference the Service & Repair document. Replacement lawn mower blade. Made of alloy steel and high carbon content. Sharp cutting edge for a long lasting quality cut. Known for its ability to provide a better lift of grass and a consistent cut. Fits models L120 and L130. Durable and safe. Blade Length (in.): 17.05 in