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Gatco 60016 Tri-Seps Serrated Edge and Point Sharpener

by Gatco
4.4 out of 5 stars 18 customer reviews

Price: $13.98 & FREE Shipping on orders over $35. Details
In stock on February 8, 2016.
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Ships from and sold by Amazon.com. Gift-wrap available.
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  • Military-spec bead chain and clasp
  • Made from premium grade 96-Percent alumina ceramic
  • A must have sharpener for all military personnel backpackers do-it-yourselfers mechanics and sportsmen
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6 new from $6.99 1 used from $7.18
$13.98 & FREE Shipping on orders over $35. Details In stock on February 8, 2016. Order it now. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Gatco 60016 Tri-Seps Serrated Edge and Point Sharpener
  • +
  • Gatco 60616 Gatstix Diamond Tri-Seps Serration Sharpener
Total price: $29.92
Buy the selected items together


Product Description

Tri-Seps Serration and Knife Sharpener, it has a triangular shaped, portable ceramic sharpener with a built-in angle guide to quickly restore a razor sharp edge to serrations, plain edges.

Product Information

Technical Details

Part Number GS60016
Item Weight 1.6 ounces
Product Dimensions 7 x 4.4 x 1.1 inches
Origin China
Item model number 60016
Color Gray
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B000PL4WL2
Customer Reviews
4.4 out of 5 stars 18 customer reviews

4.4 out of 5 stars
Best Sellers Rank #171,795 in Home Improvements (See top 100)
#559 in Home & Kitchen > Kitchen & Dining > Kitchen Knives & Cutlery Accessories > Knife Sharpeners
#2,208 in Home & Kitchen > Kitchen & Dining > Small Appliances > Specialty Appliances
Shipping Weight 1.6 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available August 22, 2005

Customer Reviews

Top Customer Reviews

Nothing fancy here but certainly has its place among other sharpeners. The ceramic seems to be a fine grain and enough strokes will hone an edge very near hair shaving sharp. That's pretty good if you're in the field. I think it would compliment a coarser diamond rod or stone to keep you in cutting form. It sports a large and small curved edge for serrations, two flat edges and a hook or scribe sharpening groove.

The rubber base has angled edges to rest it on a table for proper sharpening angle but this procedure is not fool proof. I pulled the bottom rubber base off as I like to free hand and this allows for a longer stroke. It was only lightly glued and can be easily reinstalled. The beaded chain allows for field or keychain carry. Not a bad addition to my knife sharpening tool belt!
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I used this jobby to sharpen pocket knife with 1/2 serrated blade. It worked very well. I then used it to put the final touches on a kitchen knife. It worked very well. I then used it to put a sharp tip on my darts, which were very very dull. It worked very very well. I have not needed to sharpen a fish hook, but I am sure it will work very well when I do.

I highly recommend this very small lightweight sharpener. It sharpens everything.

It is 3 sided with different edges for different serrations. One of the faces is dedicated to hooks and darts/awls.

Great tool.
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This Gatco ceramic works well with Benchmade 154-cm and spring steels from Ontario like 1095 and 5160, which is what I own. However, it doesn't sharpen CPM S30V very well.

For example, my S30V Manix can be just dull enough to not shave hair off my arm but still sharp enough to easily cut cardboard, though its obviously losing the ability to cut through animal hide, plus it has some slight chipping toward the front of the blade. I can sit down and make 50-60 passes on each side and just barely get the S30V back to hair-shaving sharp. The chipping wasn't even removed. I can do 15-20 passes on 154-cm of similar dullness and get the 154-cm to effortlessly shave hair.

Since this ceramic responded very well to quality steel like Benchmade 154-cm, then I am lead to believe that it is a good product and what I'm experiencing is just the inherent difficulty in sharpening high vanadium steels like S30V.
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Here's the scoop... sharpening a blade is a science, not an art. I can hear the groans already. If you want to effectively sharpen a knife, you need to know how the edge has been ground and what the edge bevel angle really is (see a trick for this at the end). The instructions that come with the Tri-Seps don't specify the angle formed by the flats on the rubber ends, only to hold it "so" and stroke "so". 4 Points overall; the tool per se is good, but as a product loses a point for not providing a useful printed "how and why" that could have been easily done.
Unfortunately, the sharpening angle for different purpose blades is actually different. A big burly hunting knife or military knife (and this is marketed mentioning military grade chain, and so on) is sharpened to a pretty obtuse 40 to 45 degrees per side... that's almost a right angle overall... that edge is found on a stout blade to give plenty of strength in steel thickness behind the edge, and that kind of knife is more about strength than slicing and dicing. On the other hand, a really good whittling blade will have a thin blade or a very noticeable wide grind with an acute 15 degrees or so per side, only 30 degrees overall angle formed by the sharpened edges. The edge is not so strong, but very, very sharp and slices very fine shavings from wood. A good paring knife might have a 20 degree edge angle, 40 degrees overall, suitable for a quite sharp, but not the very sharpest edge, and for a reasonably thin blade intended for slicing veggies and meats.
So then, back to the Tri-Seps. Those flats are then for sharpening big burly hunting knives, not slicking up the edge on a whittling knife or pocket knife, nor a fillet knife nor a skinning knife.
BUT the ceramic itself will sharpen ANYTHING...
Read more ›
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This is the second one I've bought in my lifetime. The first I bought in summer camp when I was 12 or 13. Now I'm 34 and finally found a reason to buy another. Why did I buy another? because I thought I lost the first one.
This is a great little ceramic sharpener with a rather fine grit surface. It's best for sharpening blades that already have an edge and just need a touch-up. This is not for sharpening a dull knife; It will do the job, but you'll be spending more time than necessary finishing the job.
The only gripe I ever had with this product was the rubber caps coming off with regular use. When you pull this thing out of a pocket the caps tend to grab onto the cloth of the pocket and eventually tear themselves off. However that was the first one I bought. Not sure if the manufacturing process has changed with the caps, but time will tell.
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This is a great serration sharpener if size/weight are an issue. Otherwise a better sharpener is the one that looks like a 4th of July sparkler. This one is good to stow in a rucksack. I use this on 2 CRKT folders. One has the oversized Veff serrations and the other standard serrations. With some touch/technique I brought the Veff serrations from sharp to crazy-sharp. I don't fish so you're on your own there.
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