Keep a beautifully groomed lawn this season by assuring your blade is as close to a hot knife in butter for your lawn with the New Arnold Universal 20-inch Deck Mower Blade UB20. With the 3-in-1 design it s suitable for either mulching side discharge or bagging. The includes adapters make it quick and easy to install on virtually any walk-behind mower models with a 20-inch deck. In order to assure longevity of this replacement blade each blade is crafted from durable steel which. Due to the nature of the item and because it is deemed a wear and tear product there is not a warranty included with the purchase. Blade dimensions are: 20 L x 2.25 W x 1.12 H and 1.1lb. One blade only; mower additional blades and other accessories sold separately. Other sizes are available to fit whatever size mower you have!