"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Replacing your lawn mower blade every year or two is essential to keeping your grass looking sharp. Over ...

The best cut for your yard comes from a sharp lawn mower blade. A dull blade damages your grass by creating a ragged cut, which can lead to bare patches and other eyesores, as well as invite disease.

Add Yahoo as a preferred source to see more of our stories on Google. Man checking the blades on the riding mower deck - Ruizluquepaz/Getty Images When you invest a few thousand dollars or more in a ...

Replacing your lawn mower blade every year or two is essential to keeping your grass looking sharp. Over time, the blade’s edge will dull, either from general wear or damage from debris like sticks, ...