But as with any blade ... or the saw must be replaced. If you don't like waste, then sharpening is the obvious answer. However, before looking at the best method to do that, it's important ...

To get the best ... of the blade. You'll know the blade needs sharpening when you see fine sawdust instead of chunks of wood. In all, we have 24 gas and electric models in our chain saw Ratings ...

If you don't happen to have a table saw but do have a circular saw blade that needs sharpening, either approach might be best for you. There are also commercially available products for sharpening ...