The Walker OEM Mower Part 5706-8 16" Mulcher Blade and Hub is a high-quality replacement part designed specifically for Walker lawnmowers. Made of durable steel, this blade is 16 inches in length and comes as a single piece. It is compatible with Walker mowers and is an essential component for keeping your yard and garden looking neat and well-groomed. Please note that this product may not be available for sale in California due to the state's Proposition 65 regulations.