you can buy a $60 kit that's compatible with most major-brand chain saws and lets you sharpen the saw yourself in seconds. Sold at Home Depot, Sears, and other retailers, Oregon's PowerSharp comes ...

And so, when it comes time to sharpen or replace a table saw blade, woodworkers and tradespeople often turn to shop-made jigs... homemade tools that are used to improve a workshop's other tools.