RH Preyda Tri-Hone Sharpening Kit

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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Dakkadence
15
Jan 17, 2021
I'm no expert on sharpening stones, but wouldn't resting the not-in-use stones like that eventually cause an indent where the edge of the wood is and make the surface uneven?
Gabriel_M
53
Jan 22, 2021
Wood is normally softer than rock. Doubt these 2x4's would damage a stone..
CJaeger
4
Jan 16, 2021
I would have picked these up for sharpening my wood turning chisels. Glad I checked the specs on the grits. Since they're all crazy aggressive, I'm going to pass.
Gaurdian23
10
Jan 16, 2021
The grit's they're using for Arkansas soft stone is very inaccurate. There is no way the AlOx stone is more 'fine' than the Arkansas stone. On it's own Arkansas soft stone is more than capable of bringing a completely dull edge back to a shaving sharp edge with a slight mirror polish fairly quickly (depending on the metallurgy, higher alloy steels and harder steels (60+HRC) slow this process down). I would most certainly recommend an Arkansas soft and hard (finer grit) stone for chisels. Arkansas stone also sells a 'surgical black' (or just 'black' - both are the same, just some sites prefer one name over the other) stone as well, which is even more fine.
(Edited)
RayF
25929
Mar 25, 2020
Don't I remember this drop from last time? I think we're being...
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SteevK
0
Mar 24, 2020
according to The manufactures web site info here: https://rhpreyda.com/explore/ this ex[plains their stones, at least as of today. Does not necessarily mean these are the same stones.
sapsps
61
Mar 24, 2020
Well, I'd like to buy this product but if the grits are as listed on the posting this would dullen my knives rather than sharpen. Would be okay if the actual grit ratings could be found somewhere else with a certainty of their correctness. But I guess I'll skip this one then, shame really.
sapsps
61
Mar 26, 2020
Good to know. English is neither of my native languages and I'll probably always make some silly grammatical errors
RayF
25929
Mar 26, 2020
Always heer to help ;- )
(Edited)
Cromulent
298
May 28, 2019
Technically these are rated as ultrahypermega coarse, super extra coarse, and hella coarse.
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.
kmansell1243
4
Apr 15, 2019
Grits are listed in the specs section
Dermott
265
May 31, 2019
And they're wrong as a lips on a cucumber.
TriN
95
Apr 12, 2019
Anyone knows if this is good for kitchen knives?
Dermott
265
May 28, 2019
Given the grits listed for the synthetic stones, no, this is not useful for kitchen knives. The finest stone (according to Massdrop) in this set is a 320 grit Aluminum Oxide stone. I use a similar stone (from Norton) to set the initial bevel on freshly-made knives, that have never been sharpened before, because it's ridiculously aggressive. In reality, the Soft Arkansas stone in this drop is going to be significantly finer than that Aluminum Oxide stone. Despite being listed at 220-280, those stones are usually equivalent to about a 600-800 grit synthetic stone. See here for more info: https://www.danswhetstone.com/information/stone-grades-101/ I wouldn't use a Soft Arkansas stone on a kitchen knife unless it was unreasonably dull. Either this set is badly mislabeled, or... useless. Since I haven't bought it, I'm withholding judgement on which.
Hombro
81
Apr 11, 2019
If the below numbers are the true specs, this thing couldn't sharpen a crayon. Someone please help me understand this product, as it seems vastly underpowered so I am assuming I have some basic misunderstanding.
  • Coarse Aluminum Oxide (synthetic stone): 120 grit
  • Aggressive Soft Natural Arkansas Stone: 220 to 280 grit
  • Fine Aluminum Oxide Synthetic Stone: 320 grit

Charlie2
80
Jan 23, 2019
Dear Massdrop, Please verify and post the "Gritt," of the three stones. I agree with "Dermott," the advertised "Gritt" is way to aggressive. Thank you.
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