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RH Preyda Tri-Hone Sharpening Kit
01 / 09
RH Preyda Tri-Hone Sharpening Kit
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Product Description
Ideal for sharpening sporting knives, kitchen knives, cutlery chisels, and wood-carving tools, RH Preyda’s Tri-Hone Kit comes with three separate stones for a natural sharpening progression. Use the synthetic Coarse Aluminum Oxide Stone to shape the initial edge of your blade; use the Aggressive Soft Natural Arkansas Stone to hone the edge; and use the synthetic Fine Aluminum Oxide Stone to polish it Read More
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keyboard_arrow_downAtCal
25
Apr 10, 2017
180 to 320 grit????? I would use this to sharpen a yard axe not a high quality blade. Unless it is as dull as a spoon and you found it in your Grandfather's old desk don't touch a fine blade with this.... will take way, way too much metal off. That said, you have a dull axe this is probably just fine....
Note to the massdrop corp. buyers.... This with a 600/1000/3000 (or thereabouts) would be a definite purchase if you own nice kitchen or other blades similar to some of the ones that have dropped previously.
Note to the massdrop corp. buyers.... This with a 600/1000/3000 (or thereabouts) would be a definite purchase if you own nice kitchen or other blades similar to some of the ones that have dropped previously.
CyrusGuybrush
19
May 30, 2017
I have no idea what low quality steel or carbon steel I would use this on not anything I would dream of owning. btw I genraly consider the best grit combo to be 200 or so for repairs and mods, 1000 for main sharpening and a 4000-6000 for polishing . 6000+ is also quite a nice addition if a little unnnecacary.
MJ.L
4
May 30, 2017
For the modern steels these old fashioned sharpening stones are not going to be satisfactory. Some of these newer and harder steels definitely need diamond sharpening stones.
LoremicusIpsuminus
57
Jan 2, 2018
MJ.Limo for high vanadium steel like s90v, s110v, Elmax, M390, diamond helps a lot. As long as the stone is harder than the vanadium carbide matrix where it cuts rather than "carbide tearing" its okay. Some form of aluminium oxide like synthetic sapphire or silicon oxide may be good, but I am lazy so I use diamond. For anything with little vanadium carbide I enjoy the Shapton Glass very much.
DrewDel
124
Jan 4, 2018
LoremicusIpsuminusI agree... I think the OP was making it sound like you can't sharpen "newer and harder steels" (<--- his words) with regular stones, and that only diamond will work. If you can't afford a diamond stone, you most definitely can sharpen the hardest knife steels with a mineral/oxide stone.
Cloaca
1906
Dec 29, 2017
80 grit, 220 to 280 grit, and 320 grit? This doesn't seem right. All these grits are pretty coarse, unless there's a zero missing. Sharpening knives takes time. If you're in a hurry and don't mind taking off a lot of metal, as these low-grit stones will, get an electric grinding wheel.
Below is a video from Serious Eats. J. Kenji Lopez-Alt recommends the following set-ups:
- One-stone budget plan: 1,000 to 1, 200 grit
- Two-stone plan: 800 and 2,000 or up grits
- Three stones: In real life, you don't need three stones, but you need a fixer for flattening the stones you have, grinding them back to true flat. If your grinding stones aren't regularly out of flat, you're not spending enough time grinding your knives ... or you're using 80-grit stones and grinding them to hell.
Oilstones are the same thing as waterstones, as far as I can tell, but use the messy shortcut of squirting oil on the stone rather than taking an hour or two or more and soaking them.
If you want to do kitchen knives, like 8- or 10-inch chef knives or 7-inch santokus, the stones in the drop are too small. Per cubic centimeter, they're not that cheap, either. The stones that are more expensive than these are bigger. Volume equals height by width by depth.
http://www.seriouseats.com/2010/04/knife-skills-how-to-sharpen-a-knife.html
Below is a video from Serious Eats. J. Kenji Lopez-Alt recommends the following set-ups:
- One-stone budget plan: 1,000 to 1, 200 grit
- Two-stone plan: 800 and 2,000 or up grits
- Three stones: In real life, you don't need three stones, but you need a fixer for flattening the stones you have, grinding them back to true flat. If your grinding stones aren't regularly out of flat, you're not spending enough time grinding your knives ... or you're using 80-grit stones and grinding them to hell.
Oilstones are the same thing as waterstones, as far as I can tell, but use the messy shortcut of squirting oil on the stone rather than taking an hour or two or more and soaking them.
If you want to do kitchen knives, like 8- or 10-inch chef knives or 7-inch santokus, the stones in the drop are too small. Per cubic centimeter, they're not that cheap, either. The stones that are more expensive than these are bigger. Volume equals height by width by depth.
http://www.seriouseats.com/2010/04/knife-skills-how-to-sharpen-a-knife.html
tyler256
170
Apr 9, 2018
CloacaI had the same thought about the grit. I was thinking this could be nice, but did a double take when I saw the advertised grit levels. I don't think I've ever seen a stone less than 100, and that's for a grinder wheel doing initial sharpening or taking out large dings in an axe. That would not be good for a kitchen or pocket knife.
m.ia
3
Dec 19, 2016
I ordered 2 and only received one. Not happpy. Either ship what is owed or return my Money.
slumberlust
97
Mar 8, 2017
m.iaHave you submitted a support ticket or is this angsty post your only attempt at rectifying it so far?
m.ia
3
Mar 9, 2017
slumberlustI submitted a ticket and it is rectified. And I'm still angry because it was part of someones Christmas present that ended up being incomplete.
Cyber6
30
Jun 29, 2016
Any idea of the grit number of each stone? Example, is the Fine Stone 1000 Grit or 10,000 Grit? .... it makes a difference.
Edit: Ooops, I just read it on the specs section. Between 180-320 grit. I'll pass.
Edit: Ooops, I just read it on the specs section. Between 180-320 grit. I'll pass.
Rosebud41
278
Nov 26, 2018
Has MD still not clarified the grit rating issue?
Preyda does not exactly clarify on their site.
Here are their grit ratings: https://rhpreyda.com/explore/
Note these are grouped by "soft", "hard", and "hard black" and do not mention if the synth stones included here (2 of 3 stones) are comparable.
And the product listing from mfgr is here:
https://rhpreyda.com/product/tri-hone-kit/#1448918816272-6d27913c-edcf
Looks like the same kit here, but mfgr says it includes only one synth along with a soft and an hard actual stone. Soft is 400-600, hard is 2000-3000, synth is ???.
Does MD have a "decontented" Preyda tri-hone with a second synth replacing one of the Arkansas naturals?
Why do Preyda and MD make buying this kit such a guessing game / leap of faith, especially when prior drops raised these exact same questions?
Rosebud41
278
Apr 11, 2019
This is a weird listing as it has only one real stone and two synths, unlike what Preyda sells on their own site, which is two naturals and one synth.
I asked MD to clarify, but no one here or from the mfgr seems to care. So I am not sure as to what you would be getting here. Caveat emptor!
Hombro
82
Apr 11, 2019
Rosebud41Indeed, this is a weird one. And if the specs on the page are right (copied below), this thing tops off at 320 grit. What's the deal? Is this some type of different grit scale?
- Coarse Aluminum Oxide (synthetic stone): 120 grit
- Aggressive Soft Natural Arkansas Stone: 220 to 280 grit
- Fine Aluminum Oxide Synthetic Stone: 320 grit
HowAmI
145
Jun 30, 2016
320 is not a fine grit that's coarse these girts are basically made for re profiling and working on a really really dull edge. I'll pass
Kvothe
3
Apr 12, 2019
Why is there still no word from MD or the manufacturer about the grit on these stones? Massdrop first sold this years ago and people have been pointing out over and over that the grits listed in the product description don't make any sense.
chadddc
77
Jul 5, 2016
Give http://www.naturalwhetstone.com/productssharpening.htm a look. Company actually based in Arkansas where all of these novaculite stones come from....
ISK
552
Jul 6, 2016
Hey - Thanks for participating in the discussion - I'll update your user status to Vendor!
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