Trevor Raab You can use any number of different tools to sharpen a mower blade. Here we use a 4½-inch angle grinder and a 60-grit flap disk. But you could also use a specialized grinding wheel in ...

Then loosen the attachment nut and bolt, remove the blade and set the mower back on its wheels ... sharpener in your vise and adjust the angle to hold your blade in the perfect position for grinding.