Work Sharp Blade Grinder and Tool Grinding Attachments for the Ken Onion Edition Knife & Tool Sharpener

At the end of 2014 I reviewed the Work Sharp Ken Onion Edition Knife Sharpener. The company was very nice and shipped me out the Blade Grinder and Tool Grinding Attachments to test shortly after that. I wanted to wanted until after winter and into spring so I would be able to get a good use out of the tool grinder so I would have a enough time behind the sharpener to write a fair review.

The Tool Grinder/Sharpener

The tool grinder is designed for exactly what it sounds like. To grind tools and sharpen the cutting edge. I use three tools for all of my outdoor cutting yard work. a chainsaw, pruners and loppers. I don’t care much for use of an axe or hand saw unless I am just wanting to get some exercise in because the chainsaw makes quick work of any large projects. for my pruners and loppers however I dull them pretty fast. In my workshop I have a vise that I can secure either in and in just a few short passes I can be back to work with sharp tools.

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This tool grinder attachment was the easiest of the kit I own (tool grinder, blade grinder and the Ken Onion Edition Knife & Tool Sharpener) to get the edge I wanted since you are not looking for a razor edge on your gardening tools.

Growing up in the BSA we were always doing conservation projects that required us to fell trees. I would always have to spend 30 minutes getting my two axes ready for work before we starting felling trees. I wish I had this sharpener back then so I could always have the best axe heads. Before I would have to sit with the metal file and work on the edge and this would have made quick work of that. 

The Blade Grinder

I have not really liked this for sharping my knives. While out at a show in Vegas I saw Benchmade using the Blade Grinding Attachment with razor precision.  I have found I am better at getting a good blade with just the base Ken Onion Edition Knife & Tool Sharpener than I am with the blade grinder. I know that you can get a better edge on the grinder but I haven’t been able to achieve it yet.

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The Box

Work Sharp as far as I have seen only sells a “gear bag” for storing your sharpener and attachments. I do not like soft bags to store my tools in because I  prefer to be able to stack boxes on my shelves in the workshop. While over at my local home improvement store I found a Husky 16-Inch Rugged Hand Tool Box with Metal Latch. the box measurements of 8.8” W x 15.4” L x 8.2” in height. This box is perfect! It cost $15 online but $10 in the store.

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Overall thoughts

The  Ken Onion Edition Knife & Tool Sharpener is a great tool to have at your disposal for keeping your everyday knives at the sharpest they can be. If you are someone who does your own yard work and the tool grinder is invaluable. You always run a higher risk of hurting yourself or others when working with dull blades and edges on tools.

The blade grinder is something I am hoping to master in the next few times but until then I always have the main Ken Onion Edition sharpener.

(Attachments sold separately! Requires Ken Onion Edition Knife & Tool Sharpener WSKTS-KO)

Work Sharp Ken Onion Edition Knife Sharpener Review

For Christmas last year I went out and got myself the Work Sharp Ken Onion Edition Knife Sharpener (Without tool sharpener). I didn’t really spend much time trying it out for the first few months. It seemed complicated and I was being lazy with my semi-dull knives. It wasn’t until a friend who is in the Army came to visit, that I really took it out and started learning how easy it really is to get a razor edge.

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Introduction

I have been on the hunt for a razor edge on my knives since I was old enough to learn how to sharpen knives. I have stick sharpeners, block sharpeners, diamond sharpeners, kitchen and utility sharpeners. I have so many sharpeners that I have a shoe box full of them and I am still finding ones from my youth. In my early teens I destroyed a few of my cheap knives by trying to sharpen them with a rotary tool and a metal grinding bit, all in search for the elusive razor edge.

First Impressions of the Ken Onion Edition

At first I wasn’t impressed with the edge I was getting with this Work Sharp sharpener. It was sharp but I really didn’t feel I was getting my moneys’ worth from this Work Sharp sharpener. The kit comes with a DVD that walks you through the steps. I just wasn’t impressed because the knife wasn’t all that sharp. I figured this wasn’t a dummies guide to sharp knives and that it really took a long time to learn how to get the edge you were looking for.

My First Sharp Knife

After working with the sharpener for a few hours I figured something out. My knives had been to hell and back. I have been “sharpening” them for years on different stones and angles and I had made a mess of my blades.

I needed to start fresh and re-profile the blades to the correct angle (as per the angle and belt guide in the book). I took my P120 extra coarse belt (this is a step I took on my own without guidance from the book as they do not talk about doing this) and redefined the edges on all of my blades. This was the first and most important step I have found to the perfect blade.

You need to start clean and have all the nicks and divots in the blade removed. Once I had done that, I followed the user guide and lo and behold I had a razor edge on my 10 year old EDC (EveryDay Carry) knife.

I have noticed that the knifes that have been re-profiled last a little bit longer between each sharpening now. I can see how re-profiling is not a one step method. It may take many sharpening’s before it is a super sharp leather cutting blade.

My $10 Razor Knife

There was a deal on some website offering these folding half serrated knives for $10. I picked up one for each of my family. I wanted them to have an inexpensive knife they could carry without worrying about losing an expensive one.

For those of you who do not feel the need to carry one on you, I recommend trying it out for 1 or 2 weeks. Count how times you find yourself using it.

When I opened the package with the 4 knives I wanted to see how sharp they were. I tried to shave some arm hair and found I couldn’t even cut warm butter.

I wanted to put this Work Sharp sharpener to the test and see if I could find a real edge on the knife or see if I had just bought myself 4 knife shaped paper weights. I went to my first step of re-profiling the edge. I quickly got a razor sharp edge on this knife and now I have been carrying it for about 3 months.

The Belts

The Work Sharp Ken Onion Edition Knife Sharpener comes with 5 belts:

Belts
(1) P120 Extra Coarse Grit Norton Ceramic Belt,
(1) X65 Coarse Grit Norton Norax 65 Micron Belt
(1) X22 Medium Grit Norton Norax 22 Micron Belt,
(1) X4 Fine Grit Norton Norax 4 Micron Belt
(1) 6000 Extra Fine Grit SiC Micro Mesh

The “X” belts are the ones you will use the most. They are meant for every blade with the exception of serrated, gut and bread knives which you use the 6000 Belt on.

I have noticed that after about 40 knife sharpens the belts are starting to wear. The book says “Belt discoloration is not an indicator of wear. Engineered belts expose new abrasive as they break down. Used belts may take extra strokes but will continue to remove material. These belts will keep going longer than you think. Keep using them as long as they cut.” [Found in the Ken Onion Edition User Guide]

Final Thoughts

I have found my razor edge!

Once I took the the time to sit down and read the book and started practicing, the easier it was to put a nice edge on my knives. Work Sharp does not have a hard box for this $150 sharpen which I think would have been better.

I keep mine in the original box it came in with all the belts and book. I think if it had a carrying case, like that of most drills, it would really add to the life of this sharpener.  I have had a few friends come over with knives to have me sharpen for them. I have taught all of them how to do it themselves so they can take my Work Sharp home and sharpen all the knives they have at home.