Instruction: Evaluate the answerability of a question by analyzing the related document, outputting yes if the document contains information addressing the question, and no otherwise.

Input:
Question: Will this sharpen a carbon steel blade like a Ka-Bar?
Document: This thing really works as long as you sharpen knives like it says in the instructions. Works on carbon steel and stainless knives.
Just a few strokes across the blade and it is razor sharm.I even sharpened some older carbon steel blades and they actually came sharp.
I have tried a wide variety of sharpeners over the years and the AccuSharp works quickly and produces a very sharp blade on both high carbon steel and stainless steel. For the money, this is a great investment.
This product simply works. I've used it on a hatchet, and 10+ different knives. Stainless or high carbon steel they all quickly got a razor edge. The product doesn't look like much but is extremly easy to use and is light weight if you plan on taking it into the field. I would recommend. Plus it's made in the USA.
Over the years, I have preferred regular carbon steel knives to stainless steel knives, due to the fact that the stainless are so difficult to sharpen. Not anymore. This sharpener outshines all the sharpeners I have had over the many years, which include ceramic, diamond embedded stone and many others.When using the Accusharp on knives that have very little edge, you can be aggressive with the tool. It is going to take a lot of shavings off your knife.
Based on reviews here and in a Cook's Illustrated magazine, I got the AccuSharp to replace an older sharpener that had gone kaput. I was able to sharpen a whole drawer-full of knives, ranging from professional vintage high carbon Sabatiers to stainless steel Victorinox knives in a few minutes. Once sharpened, these knives were successful at producing paper-thin sheets of beef for a Thai soup, which is a pretty good test.
I like to use a whetstone, but you can also use a ceramic v-notch sharpener. Without this step, you won't get a blade "razor sharp".Third - Hone with edge with a steel. Most knife sets come with a steel. The steel is not designed to sharpen the knife, it's designed to flatten the edge and remove the bends in the blade that result from typical use.
Most other knife sharpeners of this type will not, or cannot, sharpen a small/short-bladed knife because of the width at the business end of the sharpener (90 degree angle). With this sharpener one can actually sharpen the whole blade as the sharpeners are parallel or in line with the knife blade. Just lay the knife on its back and sharpen away. My old, trusty pen knife finally has a cutting edge! Like the others, hardened steel will take a little longer.
You can buy a better sharpener but they are all complicated or expensive and most of the time both. I own 5 other brands of sharpeners that are designed like this but they all truly can't come close to this one. They will all become extra gift this Christmas. I have some expensive sharpeners and will continue to use them on my most treasured blades (because they remove a little less metal when sharpening) but on any stainless or cheaper carbon blade I will now stick with the AccuSharp.
I purchased this knife sharpener about 2 years ago, I have been very pleased with the results. This is without a doubt one of the lowest cost knife sharpeners on the market bar none. In spite of the low cost, it is made with high quality materials. The plastic is extremely durable, the carbide steels used in this sharpeners are high grade carbon, they are made to last. And if that weren't enough, you can reverse them to get equal use on the other side!
Answer: yes