I bought this product for myself for Christmas, because my casual-use Poulan 14-inch plug-in chainsaw suddenly has a raft of work in front of it. I've bought a new house on a wooded lot, and needed to cut Pin Oak and Red Maple. My current blade could not get through the Oak. I managed to cut a couple of pieces, but it was taking forever and I wasn't getting the decent-sized shavings you're supposed to get. So I bought this sharpener, spent 45 minutes learning how to use it and putting new edges on my chainsaw chain, and magic -- down I went through the oak and through the maple, making about 40 cuts in an hour including the lugging and stacking afterwards. So this critter did the job, allowing my weaker electric chainsaw to do production work on hard wood. Drawback -- the directions are largely non-existent. I was able to watch a video on how to use the tool and make that work, but this comes with three files and I needed to figure out how to identify which to use. The instructions more or less consisted of a table with a bunch of columns that were not much help. I figured out via the Internet that my chainsaw used a T type chain, and that gave me the information I needed to decipher the table and figure out which file to use. So, it worked like a dream and got me, a chainsaw noob, through what needed to be done to get a sharp blade back, but without research on the Internet this wouldn't have been sufficient. If you're reading this you have the Internet as well, so I have no doubt you can do it as well as I did. Given the price, great pickup. Did the job once I knew what the job was.
