Timber Tuff CS-BWM Wall Mount Electric Chainsaw Sharpener & Grinder - Upright Bench Design for Easy Chain Maintenance - Perfect for DIY Woodworking, Firewood Prep, and Forestry Work

I ordered this on January 30th and received it today, February 1st. Really fast shipping, I think it came from PA which is pretty close to me. This grinder was very easy to assemble. The part that took the longest was finding screws to mount it to the work bench. I did not have any of the casting slag on mine that other reviewers had. Mine also came with two screws to mount the plastic guard, one was to short to use with both plastic parts but would work with just the main plastic part. The other screw was the right size for using to secure both plastic guard parts. Two alan wrenches are supplied, one for the guard screws, and one for the arbor screw.The only very minor thing I found is that the screw adjuster that is used to center the chain tooth stop unscrews a little from the vibration. I put a bit of teflon tape around it to resolve it.This is the third or forth chain sharpener that I have purchased over the years. They were all hand powered ones. I was going the cheap rout. And not one of them worked. This is the first electric sharpener for me. It was so simple and it works! I set the arm to 60, set the chain angle to 30, used the thinnest wheel. You can figure out the right size wheel to use by picking the thickest one that will not touch the tooth raker. Then adjust the tooth stop, and the depth of the cut. Take your time doing this adjustment, test/check it many times before turning the grinder on. I marked the first tooth with red magic marker, and started. Finished one side what seemed pretty fast. Then rotated the chain angle to 30 on the other side. I had to re-adjust the tooth stop, the distance changes when you start on the next side. I finished my gas powered saw chain, then sharpened my battery powered tiny chain using the same 60 30 angles. After finishing it, I popped a battery in it and took it outside to try cutting a 7" log. It cut through it effortlessly. The shavings were nice fluffy chips like it was when new, not the fine powdery saw dust that it was making before sharpening. I am so happy that I can get such a sharp blade!Another thing to mention, when I set up the grinder, I have it just barley touching the tooth. It makes a very few sparks. Point being, I barley took off any material so I think I will be able to get many sharpenings per chain. When I ordered this, I was computing how many new chains I could buy with the money for this machine. I wouldn't bother paying for a chain to be sharpened I would just use it up and buy a new one. I think this sharpener will pay for itself. I also get a great satisfaction being able to put a factory fresh edge on my chains. A dull chain still sort of feels sharpish when I run my fingers on it, but after using this grinder on it I realize that the chain really was dull. I have the pole trimmer chain to do, and an electric chain saw to do next. The electric one has been out of commission for years because I didn't want to buy a new chain for it. Now it will be in service again. Terrific!