The Maxpower 38 Cut MTD Blade (331531) can help keep a lawn mower running well. It s simple to install so you can get back to work with minimal downtime. Maxpower blades are designed for a universal fit. It comes with six different reducing washers. This model is designed for walk-behind mowers. You can also get it in a mulching model or a 3-in-1 design for greater versatility. All blades from Maxpower are designed to meet or exceed OEM specifications for reliable performance.