How to Sharpen a Lawn Mower Blade | Oregon Products
Mower blades should be aggressively sharp, but not as sharp as a razor's edge. You should be able to touch the blade with your hand without getting cut. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better. In fact, an edge that is that sharp has the tendency to roll over, which can cause blades to ...