DMT A4X Whetstone Knife Sharpener and Diamond Sharpening Stone for Use with Aligner, 4 Inches, Extra Coarse

DMT makes the best sharpeners. Others don't use enough diamond to sharpen correctly.

Value

These are just the right grit for putting a fine edge back on a slightly dulled knife. Don't recommend them for resharpening. You will need the blue ones for that, or even the black to start a new edge. These are fine for putting back a razor edge on a used blade that is already well sharpened.

Very good stone.

Good quality.

This is a fine diamond whetstone used for putting the finishing touches on a sharp blade. This particular stone is for smaller blades. If you're dealing with larger tools (axes, hatchets, etc.), you'll want a larger version of this. Excellent stuff, and I'll only get these from DMT.

Works well with my Ruyxin sharpener. Note that this stones need seasoning, as is clearly stated in the packaging. That means they will end up feeling less gritty after a couple uses.

This is a pretty darn aggressive stone so ONLY buy this if you will be reprofiling your primary bevels. I do that with all my knives so this was worth it to me. I COULD have done that with just the coarse but it would have taken me much much longer without this stone.Please note: let the diamonds do the work for you - use very little or no pressure! Very gentle quick strokes are what is called for here!Note: this stone is meant to be used with the DMT Aligner. I suppose that you could use it freehand but that's not a wise thing with a smaller stone like this and setting a primary bevel ...