Our customer testimonials explain our quality manufactured equipment helps make your sharpening business successful. Thorvie International, LLC successfully stands as the leader in saw and tool sharpening equipment.


I recently purchased your AV-54 automatic knife grinder to sharpen my personal planer knives. Our old grinder broke down and I was looking at your machine and other machines that would have costed me a lot more money as well. After a couple phone calls with Thorvie, I had the confidence that this grinder would fit my needs well. It was very easy to set this machine up and learn how to use it. After I sharpened my first 5 set of knives and tested them, I could not believe how sharp my knives were. My old grinder would sharpen a dip in the center of the knives and when you put the cutting edge of the knife on a work bench, you could see daylight in the center of the knife. This grinder sharpened the knives perfectly straight. I never understood how a hollow ground knife made that much difference from a straight ground knife until I have tested it for myself. Thank you for saving me a lot of money and making a product that will fit my need for many years to come.

Ryan in NY

After two years of agenizing over whether I should take the risk of investing in the AV-40 starter package I finally made up my mind and made the purchase. Rick walked me through the whole process and we customized the purchase to fit what I thought would be the right tooling for my particular area. After setting the tooling up in my shop and getting familiar with it I hung a sign advertising my sharpening service. On the first day I hung the sign I had three customers. After practicing sharpening my own tools I could see the quality of the work the AV-40 was capable of was without question something that I would be proud to offer my customers. Since starting the sharpening service I have had various tools that I did not know how to sharpen. A simple phone call to Rick at Thorvie was all it took to know what was needed for tooling and how to use it. Thank you to all the folks at Thorvie. I am excited to be able to be a Thorvie sharpening team member and look forward to growing my business using Thorvie tools and sharpening expertise.

Kenneth in VT

I wanted to write to you and tell you how thrilled I am with my Thorvie AV–40 sharpening machine! What an amazing piece of equipment, and with the videos, training aids and customer service I was able to get set up and operating this sharpener in no time at all. The AV-40 is very versatile with so many tool fixture attachments, and it takes me just a few seconds to change sharpening attachments. This AV-40 is an extremely well crafted piece of equipment, and I am already doing great with my little startup sharpening business after only 6 months. Thank you!


I love my AV-40 sharpening machine! Easy to set up, great customer support, easy to learn with training aids and everything to do the jobs fast. The tool fixtures allow me to sharpen each tool with ease. Thorvie has built a tool that makes me a professional in the sharpening industry. The AV-40 has opened many doors and opportunities for me other than just sharpening tools. Thank you Thorvie!

Gurnie in DE

We are very pleased with The Thorvie AV–40 sharpening machine that we purchased from you. It is an amazing piece of equipment and with all of the tool fixture attachments the AV-40 is very versatile. We found that it took us no time at all to learn how to use it and to change the various sharpening attachments. It is in our estimation that the AV-40 is a very well built piece of equipment and we couldn’t envision being without it now.

Best Regards, Jerome in NF Canada

I have owned my AV-40 sharpening system since 1999 and the AV-40 is a well built U.S. made machine with very minimal maintenance and replacement parts. I had placed an order recently for a couple new tool fixtures and the update to the written instruction booklet was fabulous. I am really impressed with the upgrades Thorvie has done with their training services over the years. Keep up the great work!

Jack in PA

I purchased the large cup and cone fixture for my Foley Belsaw 357 and man what a difference! I had a couple questions and called and asked Rick to helped me out and he lead me in the right direction. I am so happy with this purchase, I wished I had bought it years ago! This fixture makes it so easy and so quick to set up your saw blades! If your thinking about getting it, DO IT! You won’t be sorry!

Justin in NH

I just love this machine [AV-40] and when you designed it, you sure had your head on straight. Not only that but the fixtures you sell with it, I can’t say enough about them. You can use this as a testimonial.
Bob in WI

When I first started looking into this type of business, I was having a real hard time trying to make up my mind whether or not to do this. After talking to you, you convinced me that tool sharpening was an excellent business to start up. Now I want to share something with you that you can tell others about. I started this tool sharpening business in March of 2006. My first month I done $163.00. My business has been growing every month and just this last month of September, 2006. I done over $6,000.00 in just that one month alone. I am getting so many compliments from customers about the way the blades and tools cut after I sharpen them. I want to thank you for all your help and for you convincing me to go into doing this. Thanks again Thorvie and I feel as though I owe you a lot for all you have done for me.
Bruce in MN

I own a Powermatic model 225 24” planer. I bought this system for my own use, not to start a business. I knew nothing about sharpening, although with a little help from Rick at Thorvie I was soon up and sharpening my own blades. I buy my blades from Terminus and after one re-sharpening by Terminus the knives are no longer any good. With my AV-54 I can now get 3-4 sharpenings out of those same Terminus blades. At $250 for a new set of knives and $176 for Terminus to sharpen them, the AV-54 is saving me well over a thousand dollars, if not more, a year. I mention this because most people that buy this equipment are starting a business, I am at the other end, the end user and I can tell you the equipment does a wonderful job. I am very satisfied with my AV-54. IT PUTS A BETTER, LONGER LASTING EDGE ON THE KNIVES THAN TERMINUS DOES. Thank you for a well made product that is made in America.

Chris in PA

I don’t know if you remember me my name is Jeff H. I bought a bunch of sharpening equipment from you in 1991, about 23 years ago. I just wanted to see how you are doing, as I think of you a lot and about the help you gave me. I also wanted you to know I had put my 2 kids through college doing tool sharpening and  I am still sharpening tools with your same equipment. Naturally doing that much work over that many years I had to replace a few minor things but I am still using the equipment and making a good living.
Jeff in WI

I received all seven (7) boxes of equipment and all arrived in good condition.  I put my AV-40 together in my shop, mounted it to a bench as the instructions advised.  First thing I did after watching the videos was to sharpen a 7-1/2″ Marathon thin kerf blade which I severely dulled cutting some red oak dunnage a while back.  Lo and behold, my first effort at sharpening that blade of mine turned out great.  Cuts better than it did when it was new.  I really like the AV-40’s look and feel… solid!
D.M  in SC

I purchased your AV-40 deluxe grinder package In September and it has been exactly 2 years to the month and I have done almost $150,000.00 so far worth of business.
Mike in TX

I wanted to let you know that I received the Hedge Trimmer Fixture and tried it out on my own trimmer.  What a piece of cake it is, it turned out a great product on my first try. The trimmer cut better than a new blade by having every tooth sharpened to the same angle and degree.  As a result on the time spent for sharpening a blade, I am able to reduce my price for sharpening them.
Dan in KY

Dear Thorvie, (a testimonial for you) I purchased the AV-40 package with some hesitation because of the price (very  cheap in comparison to other machines), however I could not have been more wrong. The AV-40 does exactly what you say it will and more. After I sharpened some of my own tools I now offer a first blade sharpening free service (only to large companies) and the reaction from my customers has all been the same. THESE BLADES ARE NOW SHARPER THAN WHEN THEY WERE NEW. I still carry out my full time job as a kitchen fitter and do the sharpening evenings and on weekends because the sharpening time is so quick. Since purchasing the machine I realize just how badly my own blades were being sharpened by other companies.

PS. The AV-40 is now called my retirement fund manager.
S. McLaughlin in United Kingdom

Just received the AV-40 package last week and all I can say is WOW WOW !! The saws (my own) that I sharpened are incredibly sharp. They are sharper now I think, than when I bought them. I can’t tell you what a pleasure it is to use sharp tools. The AV-40 is as solid as a rock.
Les in Canada

I want to sincerely thank you for your help when I was just getting set up because you were very helpful to me on the phone a few times when I needed advice. You helped me a lot,  and your AV-40 is an excellent machine well made and well designed.  Your videos also are top notch for a beginner to learn from. Best wishes to you in the years to come.
Paul in NY

I want you to know that I bought your AV-40 package because I own a wood working shop and could not find someone in this area to do a descent job, sharpening my tools and saw blades. The very first blade I sharpened was a 10″ 60 tooth carbide from my table saw. When I put it back on and tried it, I could not believe that a saw blade could cut so good. It cut through Oak like cutting through butter. Than I took 2 router bits and sharpened them. I found that to do the same thing. I had now decided instead of just sharpening my own tools that I am going to open up a sharpening shop in this area to serve other people. I now can understand the message you are trying to get across to people before they buy a sharpening machine.
Mike in CO

I received the AV-40 grinder package last week and had just set up shop this weekend and already sharpened a bunch of saw blades. It was a piece of cake.  I could not believe how fast and easy it was. Could you give me some advise on going mobile as I see it would be very easy to do with your equipment set up.
Dave in FL

First of all I wanted to tell you how much I have been enjoying sharpening with the Thorvie system.  I can definitely tell the quality of the edge on the cutting tools.  I find it so easy to use the fixtures and AV-40. Please contact me so I can order the hole saw fixture. Thanks again for all your help.
Johnny in CA

I am writing to let you know that I was just getting ready to spend over $6,000 dollars to buy another grinder before I found and bought your grinder. I can not believe how easy it is to sharpen saw blades and all these other tools with your one machine. It has been a real surprise how fast I can change over from one tool to the next. You saved me $3,000 plus I can do more now than if I would of went the other route. Can’t thank your company enough.
Max in GA

Purchased this item for my sharpening business. Wasn’t sure what to expect with the hydraulics but instructions were good as far as setting up and using. I have always had a sharpener, so knowing how to use it with different chain was easy for me, some of the instructions could be vague for a first time user even though the information is all there. Very impressed with product design and construction of material, definitely a commercial grade sharpener. Thorvie shipped quickly and responded promptly to a couple questions I had. Very pleased with purchase and product support.


There was an older fellow in our area who used to sharpen all our woodworking tools. Ever since this fellow passed away, we could not find anyone who could sharpen our saw blades and shaper cutters correctly, to our satisfaction. After seeing the Thorvie International AV-40 Grinder on the Internet, we remembered that that was the machine this fellow had been using. So we decided to order out your AV-40 grinder package, as we knew it was what we were looking for to sharpen our woodworking tools, as we remembered this fellow telling us that this was an excellent grinder that he used.
Dave in WA

Thorvie, I received everything (four boxes) and in excellent condition.  I’ve got everything spread out all over my living room and have been watching your videos.  Now I haven’t sharpened anything yet or even set up the equipment in my shop so this can’t qualify as much of a testimony but the more I look at your system the more I think I was smart enough to find the right guy with the right stuff.  All of your precision machine work sure looks superb.  The diversity of all the different modules and their quick setup looks even better with it all complimented by your videos, training aids and business setup.  It will surely get me off the ground, looks like the rest is up to me. I bet you’ve been around the machine shop for a few years.  Looks and feels like old school ( German or Scandinavian) craftsmanship to me.  Between you and that Wolff fellow I’ve got a feeling you guys are going to change my life forever.  The more I go in this direction the more it looks right. Thank you  very much.
Wilbur in AK

I have been in the sharpening business for twenty-five years, and decided to buy your shaper cutter fixture for my grinder. I just want to tell you that I cannot believe that I was doing it the hard way for twenty-five years. I find that it is so simple to sharpen shaper cutters with your grinding fixture.
Roger in MN

I received your AV-40 package about a year ago. I would like to now order the ice auger fixture or my machine. I want to tell you that my father used to be in the sharpening business and I was going to buy the same type of equipment he used. But I remembered how he used to say at times that he wished he had something different. So I decided to try your equipment. Now I wish he was still here so he could see what I am using compared to what he used. Your grinder is really quick to set up and I find it doing an excellent job, as I am a wood worker.

Doug in MT

I bought your AV-40 between 3 and 4 years ago. At that time I was debating back and forth between your grinder and buying another grinder that I saw someone else using. I decided to go with your machine and I sure am glad I did that. Not only did I save a lot of money but I built my business up with satisfied customers who recommended me to others because of the work I do. I also was able to take work away from this other fellow due to the quality your machine provided. Thanks a lot for the help you have given me.
Walter in NY

I just recently purchased your Thorvie International Saddle Assembly for my Foley 310 grinder and it improved the grinder 100%. It did just as you said it would. It eliminated all the vibration problems I was having, allowed me to sharpen larger saw blades and minimized my set up time.

Kevin in MN

Please send me one wheel for grinding jointer and planer knives and also one of your rubber bond green wheels for knives.  I am in the construction business and have been sharpening my own saw blades with your AV-40 grinder package which I purchased on 1-26-02.  The blades cut beautiful now that I do them with your machine.  I have been sharpening for about a year and a half now.  I can honestly tell you that I can sharpen a 12″x 60 tooth carbide tipped saw blade in less then 10 minutes and that is face grinding and top grinding.  Now I have started sharpening for my own local people and they are very pleased.
Joe in VT

We are proud of our customer testimonials and we strive to keep up to date training aids to assure everyone is successful in the sharpening industry.