The John Deere 42 in. Mower Blades (2-Pack) help provide a better lift of grass for a consistent cut for your lawn. These heavy-duty blades are made of alloy steel and high carbon content for durability and a long-lasting cut. Provides a better of grass for a more consistent cut.. Features: No Additional Features. Fits Brands: John Deere. Fits Models: Z335E, Z335M, Z345M, Z345R. Returnable: 90-Day. Used with Equipment Type: Zero Turn Mower. Blade Length (in.): 21.25 in. Fits deck size (in.): 42. Product Depth (in.): 21.25 in. Product Height (in.): 1.75 in. Product Width (in.): 3 in. Blade Length (in.): 21.25 in