Whatzit??? #2
- Thread starter bczygan
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Shootinok
Well-known member
doublearon98
Well-known member
bobemmerich
Well-known member
Looks like a blade sharpener. ??
About the only thing they are good for is when drywalling. When they utility blade starts to get dull, hit it with a few swipes and you can get a few more cuts out of a blade.
doublearon98
Well-known member
Yeah I can see that on a throwaway blade but I cringe when someone uses them on there pocket knife. Nothing like an Arkansas whetstone
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rlitman
Well-known member
It's not good, but it's ok to start on a badly destroyed edge.
Also, the groove in the handle is angled for sharpening scissors. Again, not all that good, but still useful and better than nothing.
Farmall 1066
Well-known member
Knife destroying device.
PugetDude
ALLIANCE MEMBER
Blll, If you take it fishing, you can sharpen your fishhooks with it. Also, it doesn't talk, complain, or drink all your beer. And, it floats if you throw it overboard.
doublearon98
Well-known member
doublearon98
Well-known member
The problem with the one in the picture is it uses metal sticks (ceramic aren't to terrible). The metal type may not seem to mess up the blade but truly over time they begin to chip the edge. I have been sharpening knives since I was 10. I have sharpened with a lot of different things including a random rock on the ground, truck window, small file, hard plastic, metal cans, and some other I probably cant think of. Used hardwood before to put a finish edge. I've even sharpened a rock to prove I could do it. When I say there is nothing better than a good whetstone and a leather strop, I don't mean to sound like a smartass but in my opinion its the best. If you don't want to carry a full size whetstone, a pocket stone is smaller than one of those rack sharpeners anyway. To each his own [emoji16]
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PugetDude
ALLIANCE MEMBER
I've tried for years, but every time I try to use a whetstone the edge ends up worse than when I started. 
seber
Well-known member
The unit pictured is not metal. The cutting edges are carbide. It does not abrade the edge it literally scrapes a long chip, much like a drill bit takes from steel. Any imperfection in the edge will be exaggerated. It will also take way too much material from the blade resulting in a short blade life.
MarlynOC
Well-known member
Dress blade on filet knife while cleaning. Not for dull to sharp. Carbide blades are changeable.
Hytekrednek
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- Joined
- Feb 6, 2015
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it is for destroying the edge of knives.
Provincial
Well-known member
I'd try using it to deburr sheet metal edges, especially stainless steel.
doublearon98
Well-known member
Carbide in this case technically known as tungsten carbide is a metal. Either way these sharpeners take a ridiculous amount of metal off your edge eventually leading to the edge chipping, hence ruining it.
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They only take a ridiculous amount of blade if you apply a ridiculous amount of fail.
Fifteen pounds of Neanderthalic pressure applied will cause damage.
If they sharpen a trout fly hook, they can sure as well do a knife blade.
You're defending inability instead of promoting ability.
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doublearon98
Well-known member
If you want to sharpen a knife with one do so, I just can't make myself tell people they are ok to use for such a task. And I never specified that they took all the metal off at one time, over time yes
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doublearon98
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I wish I could teach you! It's all in the angleI've tried for years, but every time I try to use a whetstone the edge ends up worse than when I started.
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rlitman
Well-known member
I'm not going to fault the tool over the user's inability to use it correctly. The simple fact is that most people just shouldn't be sharpening knives.
The angle and consistency. Eventually with a few hundred thousand strokes, you get the muscle memory to do it right. Same goes for using a sharpening steel.
I've tried for years, but every time I try to use a whetstone the edge ends up worse than when I started.
Drag it backwards first to stand up whatever edge is left. We used to have little angle wedges for our stones to teach the new guys how angles work on a knife edges. I try to teach guys/girls all the time. The biggest thing is they refuse to listen. I have to sharpen/polish knives every day at work.
seber
Well-known member
Actually tungsten carbide is a ceramic.
doublearon98
Well-known member
I've most seen it called a hard metal but yes technically it be a ceramic
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rlitman
Well-known member
The material we call tungsten carbide is a cer-met. i.e. it is a ceramic metallic matrix, with more metal properties than ceramic. It's fairly conductive too.
Always stand up a rolled edge first. You do tremendous damage when you skip this step. I like to do this gently with a few strokes on a steel run at a steep angle that helps lift the edge. If you use a light touch, you can really feel the difference as you move the edge back to the middle, even if you can't see it.