Toohr #3 knife sharpener

When setting the sharpening angle, I flipped the blade clamp assembly over, and found that it repeated perfectly, with no adjustments necessary.
When going from stones to strop, the thickness difference was easily checked and adjusted for, using the angle cube. No big deal.
That can be one of the major issues with these sorts of sharpeners.
Overall, I'm glad I picked one of these up to try out.

I think it's a great sharpener for the money, and look forward to using it more in the future.
As long as the price stays around $100-$120, I will certainly recommend it to friends of mine that are in the market for a guided sharpener.
Glad you got one and are happy with it. They do look like fantastic value sharpeners.
 
For anyone who wants to properly clean out and service the linear bearings, this video might come in handy. The TooHR rear rail uses the same bearings and assembly, just a little bigger than the ones in this video.

Also, for info the bearing model that the TooHR seems to be a "MGW15H" bearing.

 
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For anyone who wants to properly clean out and service the linear bearings, this video might come in handy. The TooHR rear rail uses the same bearings and assembly, just a little bigger than the ones in this video.

Also, for info the bearing model that the TooHR seems to be a "MGW15H" bearing.

Great video, another piece of very useful information for anyone purchasing one of these. Well done. :thumbsup: .
 
Ordered on Nov. 13, my unit showed up today, 5 days ahead of the estimated delivery date. Not bad KPXIN Tool Store, not bad at all. 👍

Everything was intact, and all parts were present and accounted for.
The only nitpick I could find, was a minor amount of wear to the red anodizing, on one of the sliding table end caps.

Several of the various fasteners were found to be loose, and were snugged up, prior to assembly.
Due to the great pictorials posted on this thread by B Bdtry , I knew exactly what to look for, ahead of time. 🙏

The parts of my unit were clean, for the most part, and everything seems to be functioning smoothly, after assembly.

First impressions:
Construction appears to be pretty solid. Everything seems to be relatively simple to work on, and replaceable, if the need arises.
(I know a couple of really good machinists) ;)

The fit and finish isn't on par with my Kadet Pro, but then, the Toohr is a quarter the price of the Kadet Pro.
For the money, I think it's a killer deal on a guided sharpener.

Looking forward to doing a sharpening on it, and I'll post more pics and impressions, when I can.

Enjoy your weekend! 🍻



Glad it arrived quickly and without issues and that my pictures were able to help you. Others have noticed that the red anodizing seems to be quite thin and easily wears through.

Great first sharpening in your follow up post as well.

Yes, he is to be congratulated for spending the time to point out possible glitches, will save a lot of time. :thumbsup::thumbsup::thumbsup:

Impressive looking unit, looking forward to more pics and a road report.
Thank you, it was my exact hopes when trying to make detailed pictures and write ups.



Unfortunately for the last 2 weeks family have been over and when visiting others one of their kids was sick and "sharing is caring" so everybody got a rough cold that we are now getting over so I haven't been around much nor have I been able to play around with the box of goodies that 777 Edge 777 Edge was kind enough to send my way.
I have more Hapstone modules arriving to test out that should be arriving sometime today and I should hopefully have time in the coming week to test around.
 
For anyone who wants to properly clean out and service the linear bearings, this video might come in handy. The TooHR rear rail uses the same bearings and assembly, just a little bigger than the ones in this video.

Also, for info the bearing model that the TooHR seems to be a "MGW15H" bearing.


Great find on that video and the part number, I am sure it will help quite a bit if somebody needs to repair or replace theirs.
 
As a matter of interest, you can also use any other TSProf K03 or TSProf Kadet clamps on the TooHR system. You can also use any Hapstone R2 series clamp in your TooHR, but for a Hapstone clamp you'll need the adapter mentioned above in post #31 of this thread.

With some of the longer TSProf clamps / fillet clamps or longer Hapstone clamps, you can get very low angles.
You guys have been a wellspring of information. I was wondering if you knew when Gritomatic would be restocking the "small lite Clamps for Hapstone R2 Lite" or when your clamp re-design for the TooHR would be sold?
 
I was wondering if you knew when Gritomatic would be restocking the "small lite Clamps for Hapstone R2 Lite" or when your clamp re-design for the TooHR would be sold?
They may have unreleased stock to sell you in advance. Contact them directly and see if they can help you out-

 
Clamp Rubber Padding: (TooHR and most other clamps)

I thought I'd share a solution that I've used on some of my knife clamps in need of a little rubber padding. Most knife clamps do not need any padding as long as they are kept clean and abrasive free, but I wanted to add some padding in my TooHR clamps to improve their clamping ability.

The best I've found, is to use RIB boat repair fabric (Hypalon / PVC). It works perfectly, is cheap and easily removable when you don't want to use it. It's freely available online or from any of your local boat shops as repair patches. The great benefit of this fabric is the fact that it is thin, rubberized, very abrasive resistant, grippy, easy to clean and does not compress much when clamped.

Cut a strip of the fabric to size, fold it in half and punch a hole in it - the same size as your clamp screws. Install in your clamps and align it when clamping a knife.

Before I installed it in my TooHR clamps, I pried the clamps open more than they were when new. As received from the factory, the opening is a bit too small and they become more versatile if you bend them open more while the screw is removed.

IMG_20221206_154632.jpg

IMG_20221206_154947.jpg
 
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They may have unreleased stock to sell you in advance. Contact them directly and see if they can help you out-

Reached out to them, unfortunately, it looks like they discontinued the item.

They did however recommend the Hapstone Opti clamps ($62.50), which they will be offering soon. Too bad it is pretty much half the cost of one of the sharpening units, I may just have to go with what one of the other posters have suggested and use smaller screws and sand down the clamps at a 30 degree angle
 
Reached out to them, unfortunately, it looks like they discontinued the item.
That is a real pity. I hope Hapstone will continue making R2 lite clamps because they are some of the nicest little clamps around. Hopefully with enough interest and requests they will continue making them.
 
I may just have to go with what one of the other posters have suggested and use smaller screws and sand down the clamps at a 30 degree angle
The TooHR clamps have a bit of a geometry problem when it comes to clamping many knives unfortunately, so a second set of clamps with different geometry comes in handy.

Gritomatic sells KakBritva clamps and adapters, and some of these clamps would also be a good solution.

Even if you grind the TooHR clamps down a bit and install smaller screws, you will still be limited to their internal clamp geometry. They clamp well on most kitchen knives and many of EDC blades but with a large amount of other blade grinds, they do not conform to the blade geometry well at all and allow the blade to wobble up and down a bit.
 
Gritomatic sells KakBritva clamps and adapters, and some of these clamps would also be a good solution.
Which KakBritva profiles would you recommend? Will probably be sharpening mostly fixed blade knifes at a max length of 5-6 in., would like to try my hand at a convex edge.
 
Which KakBritva profiles would you recommend? Will probably be sharpening mostly fixed blade knifes at a max length of 5-6 in., would like to try my hand at a convex edge.

For convex edge sharpening, I've already designed a convex adapter that Gritomatic will eventually sell for the TooHR system, so keep an eye out.

For the KakBritva clamps, the width of the blades (and the length if you have 2 clamps) you'll be sharpening won't be as critical as the type of grind most of your knives have when it comes to selecting a specific geometry KakBritva clamp.

The 3 degree or 5 degree "undercut" clamps work well on many Spyderco full flat ground knives.

The 6mm flat (no undercut) clamp would be a good all-round choice, especially if you use one of these to clamp the flat ricasso/tang part of most blades.

This is the link to the single KakBritva clamps and corresponding adapter that will work on the TooHR bar (you might just need to use a longer screw):
OR the longer adapter-


And this is the link to the wide split KakBritva clamp and corresponding adapter that should work on the TooHR bar:
 
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In the same boat as End2EndBurner, tried to order the Hapstone light clamps but Gritomatic is out of stock. Total noob level when it comes to sharpening, have no idea what a convex edge is. I have a few wetstones and just want a complementary system that will sharpen kitchen, hunting, folding / pocket knives. Which clamps would be recommended as a second set for this unit where clearance is an issue. Got a feeling the info is in the last post, just trying to get a feel for what's best.
 
In the same boat as End2EndBurner, tried to order the Hapstone light clamps but Gritomatic is out of stock. Total noob level when it comes to sharpening, have no idea what a convex edge is. I have a few wetstones and just want a complementary system that will sharpen kitchen, hunting, folding / pocket knives. Which clamps would be recommended as a second set for this unit where clearance is an issue. Got a feeling the info is in the last post, just trying to get a feel for what's best.
Here is a generic image I found online for you. Convex grind is the one on the right. The image below is for the entire knife grind and not just the edge but when it comes to the edge itself, the picture on the right will give you an idea.
Screenshot_20221209-172950.png
It's unlikely that you'll need to sharpen a convex edge with the knives you've mentioned so don't be too concerned about getting a convex adapter for sharpening.

As far as clamps are concerned, yes have a look at the KakBritva side clamps and adapter I linked above, they are very good clamps with lots of options.
 
Hey LE thanks for all the great information. I've thought about turning sharpening into a side gig. I can see I've got a lot to learn!
 
Received mine, it is here and beautiful! All the stones are intact, no bent parts, tower drop-slides without any cleaning....very impressive.

Been sharpening with TSProf diamond stones and it works great (put tape on the clamps); like an Edge-pro but way more precise without any of the downsides .

One question for anybody; all the parts fit perfectly and everything is together but I can't figure out where the bolt below goes...?

Damn, $107 shipped... 🤔

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Been sharpening with TSProf diamond stones and it works great (put tape on the clamps); like an Edge-pro but way more precise without any of the downsides .
:thumbsup: :thumbsup: :thumbsup: Sorry can't help you with the spare bolt though. Someone will know. But glad you like your sharpener and it arrived without any issues. Good price. 👌
 
One question for anybody; all the parts fit perfectly and everything is together but I can't figure out where the bolt below goes...?

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Yep, it sure is an impressive piece of kit for the money!

That bolt is not really something that you'll use much. It seems to be meant to lock the gimbal of the stone rod bearing assembly into place, restricting side to side movement when sharpening. You'll see a threaded hole at the bottom of the gimbal unit under the bearing assembly.
 
Yep, it sure is an impressive piece of kit for the money!

That bolt is not really something that you'll use much. It seems to be meant to lock the gimbal of the stone rod bearing assembly into place, restricting side to side movement when sharpening. You'll see a threaded hole at the bottom of the gimbal unit under the bearing assembly.

I see, thanks!
 
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