The Outdoor 21" Universal 3-in-1 LAWNMOWER BLADE is a high-quality steel blade designed for use with various brands such as Dixon, Poulan, Murray, Craftsman, Husqvarna, Snapper, and Ariens. This blade features a mulch, bag, and discharge capability, making it versatile for different lawn maintenance needs. With a length of 21 inches, this blade is a durable and reliable choice for keeping your lawn looking neat and well-groomed.