The Maxpower Universal 9 in. x 2 in. Edger Blade (Model 1WX6404 / 330110 / 1138) is a heat-treated, hardened steel blade designed for most walk-behind edgers, providing durable, long-lasting performance. It features a universal 1/2 in. center hole, sharpened on 4 sides, and is commonly used for creating clean borders around walkways, driveways, and garden beds.