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Rob Cosman

Black Resin Hand Saw Dovetail

Item 150090
Model Dovetail Saw Black


Rob Cosman has been woodworking for most of his life. While earning a B.Sc. in Industrial Technology/Furniture Design at Brigham Young University, he was Dr. Dale L. Nish's teaching assistant. Rob has also worked with many of the world's best craftsmen – including Alan Peters, Sam...


Rob Cosman has been woodworking for most of his life. While earning a B.Sc. in Industrial Technology/Furniture Design at Brigham Young University, he was Dr. Dale L. Nish's teaching assistant. Rob has also worked with many of the world's best craftsmen – including Alan Peters, Sam Maloof, Tage Frid, Monroe Robinson and Peter Korn. After teaching thousands of students to cut dovetails by hand, Rob saw the many problems people had when using traditional dovetails saws. With the goal of enabling woodworkers to assemble their dovetails straight from the saw, Rob designed and developed this dovetail saw to address the problems he had seen. The first two inches of the blade has super-fine, 22 TPI for ease of starting the cut, while the remainder of the blade has more aggressive 15 TPI for finishing the cut quickly. With an extra-heavy brass back and an overall weight of 22 oz., versus 13 oz. of other high-end dovetail saws, the saw itself provides the downward pressure for smooth, vibration-free cuts. Composite handles have carved finger recesses for a comfortable fit in the hand. A slight .002 inch (per side) set makes for dead-straight saw cuts and produces a .024 inch kerf. Each saw is personally tested by Rob prior to shipping. Overall saw length is 15-1/8", blade length is 10", cutting depth is 1-5/8".
  • Rob Cosman creation
  • Special design features not found on other dovetail saws
  • Extra-heavy brass back
  • Each saw personally tested by Rob Cosman

Articles & Blogs


With holiday gift giving in full swing, Tommy MacDonald, host of the national public television series Rough Cut – Woodworking with Tommy Mac, shares his view of ideal gifts for the woodworking friends and family on your list. Rough Cut is produced by WGBH Boston.

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Guysville, Ohio, resident Myron “Pete” Hart not only plays the mandolin, he makes them as well. The good-humored lead singer of The Hart Brothers band, formed in 1979 with brothers Heamon “Tib” Hart and Arman “Sam” Hart, Pete is a sought-after luthier in addition to being a talented musician and vocalist.

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Working with your hands in creating fine furniture is not a thing of the past. The old adage of “what you put into your work, is what you get out of it”, still holds true today. Rob Cosman is the epitome of this statement. Teaching handcut joinery is a small yet essential part of woodworking when using dovetail construction. Experience is the other piece that comes in time. When you first start in any venue of woodworking, you sometimes need an expert to help you along. Rob Cosman, Your Hand Tool Coach has been inspiring new and experienced woodworkers with fine woodworking techniques for many years. His insight, wisdom and patience goes beyond perfection. If you have attended any of his classes, shows, or workshops, you know what I am talking about. He captures the audience right from the start as he really gets into what he does best… sharing and teaching. 

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Mark idaho2 1000

Hand Tool Coach Rob Cosman has seen first-hand the beneficial effects woodworking can provide to wounded veterans. Read more here to see how he is helping...and how you can help. 

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Dovetail boards 05

Woodworking comes in all shapes, sizes and varieties. But no matter what your woodworking passion might be, eventually you’re going to need to join together two pieces of wood. And that opens up a world of joinery options.

Whatever method you choose, the question is—do you make your joinery by hand or by machine? Here’s what our experts had to say…

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5.0 out of 5 stars
7 Reviews
  1. 5.0 out of 5 stars
    by on

    Best Saw I Ever Had in My Hands.

    Watch Cosman's review of the saw on his YouTube channel. I is every thing he says and more.

  2. 5.0 out of 5 stars
    by on

    Just received one directly from

    I've been using a Lie Nielsen dovetail saw for a while and it isn't a bad saw at all at about half the price of a Cosman saw. Mr. Cosman put his dovetail saw on sale on his website a couple of weeks ago, so I went ahead and pulled the trigger and bought one! The saw itself is everything he claims it to be - much heavier than a typical dt saw, smaller tooth set, dual tooth set up for better kerf starts. I really like it a lot! Bummer though, it didn't come in a custom wood box like he shows in his video. Oh well.

  3. 5.0 out of 5 stars
    by on

    Outstanding Saw

    Rob Cosman tools are right from the hands that does the work. Won't lead you wrong. Down to Earth and will talk to you direct. Sincere

  4. 5.0 out of 5 stars
    by on

    This is THE saw to own!

    Rob Cosman came to Seattle to teach at the Seattle Woodcraft store. I really wanted to attend his two 12 day sessions but two auto accidents made it impossible to be on my feet that long. I did spend a far shorter time than the 12 hour per day in his class and found why Rob is considered THE top instructor for Woodcraft. Rob is simply superb. In listening to his lectures it is very clear he has given deep though and has many years of experience behind everything he teaches. But on to his dovetail saw. It's AMAZING. It's not cheap but what great tool ever is? Hold his saw like you would a newborn baby, because if you do not this fine tool will not perform as well as it can. Simply let the saw and gravity do the work and with some practice - get Rob's "Hand Cut Dovetails 2.0" as this will give you the warm up drill so necessary for success, and with a few hours of practice "SUCCESS" is what you will enjoy. LOVE THIS SAW!

  5. 5.0 out of 5 stars
    by on

    Money is no object

    This is my first dovetail saw and after cutting my first joint I thought wow handcutting dovetails is really easy. My first try was not perfect but pretty close, a little sanding and it was perfect. I have since used a friends saw and thought man hand cutting dovetails is hard, but not with my cosman.

  6. 5.0 out of 5 stars
    by on

    Great Dovetail Saw

    I recently decided to learn hand-cut dovetails. In my research, I discovered that the quality of the tools used makes all the difference. I bought this saw, and I am glad I did. This saw is perfect. This saw cuts perfectly straight which is THE key to successful dovetailing. The minimal set of the teeth keeps it straight during the cut. The rip tooth design cuts clean and quickly in end grain. I learned the process of cutting dovetails from Rob's Dovetail Degree DVD set. The 7th practice joint I cut was near perfect (pictured). The slight gap on the top tail was my mistake and is repairable if needed. This joint was assembled saw cut to saw cut. A great tool only hurts when you buy it. A bad tool hurts a little less when you buy it, but it hurts every time you use it.

  7. 5.0 out of 5 stars
    by on

    Heavy, smooth saw.

    A wonderful working saw. Just don't try to force cut. Let the saw do it for you.

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