My Kleins have too thick of an edge. They don't sharpen anywhere near where they need to be and didn't come sharp. There is a lot of play in one of the screwdrivers. The edge holding (as far as the edge I can put on) leaves much to be desired. Once I found the GEC I realized what could have, should have been with the aforementioned manufacturer's knives. I'd have purchased more of those if the edge could be done properly.