Lawn Mower Blade Sharpening Easy Do It Yourself Guide | PTR
Oct 17, 2019· Using a Small Angle Grinder to Sharpen Lawn Mower Blades. Using a small angle grinder to sharpen lawn mower blades lets you accomplish the task with minimal time investment or cost. You can pick up an angle grinder for very little money, and the process involves matching the angle of the existing blade edge and simply honing it.