The truth is this a quick and spontaneous job and nothing to be proud of. The lug nuts are of a 1976 Volvo 242 and the blade had been sitting in a drawer for a year or more. It is nothing more than massive amounts of JB weld holding this together. The inside nut is 1/2" and just happen to be a good fit over the tang of the blade. I drilled out the ironwood 1/4 inch, slid it up to the nut and marked the angles, then a lot of belt sanding.Hey I'm not a knife maker by any means but I do enjoy tinkering with edged tools and weapons of all kinds. Recently I was racking my brain for a way to fasten a handle to a little blade I had bought a while back... well, lug nuts:View attachment 78783