Most people don't know this but the original (and highly award winning) Kitchen Devils Professional range where actually these very same knives. Made in Sheffield by Taylor's Eye witness but branded as Kitchen Devils. You can't get the Kitchen Devils any more (not this style). However the full range is still made my Taylor's Eye witness. So if you have the original Kitchen Devils Professionals then these are the same knives and will match perfectly - they just have a different name on the blade.
As with all this range, they are absolutely superb. I have many knives from many manufacturers and these are without a doubt the best. The handles are correctly shaped to the hand and the blades are "Razor" sharp. One of my Kitchen Devil branded knives states on it, Cobalt, Chromium, and Molybdenum. Do not confuse these with cheap stainless steel, these are a specially designed alloy which makes them very hard and hence they keep their fine razor like edge. When bought new, you can shave with them.
Don't be put off by the price; these are some of the best knives you can buy.