The John Deere 54 in. Replacement Mower Blade has a sharp cutting edge that helps provide a long-lasting, quality cut. This replacement blade is made of alloy steel and high-carbon content for durability. This blade can be used with John Deere mower model # D170 and LA175.. Features: No Additional Features. Fits Brands: John Deere. Fits Models: E180, D170, LA175, S180. Returnable: 90-Day. Used with Equipment Type: Tractor Mower. Blade Length (in.): 18.69 in. Fits deck size (in.): 54. Product Depth (in.): 3 in. Product Height (in.): 1.5 in. Product Width (in.): 19 in. Blade Length (in.): 18.69 in