I don't get it. It looks like a standard grade 5 bolt and lock washer. The only unique thing is the nut. If they are worth that why isn't someone fabricating them? If it is what is appears I could fabricate one in a few minutes.
Can someone explain this?

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.