I made it, started with a piece of 3/4" hex stock , I made 2 actually because 1970 they went to 2 different size nipples , 1/2" and 5/8" hose. Even though all the cars I own are 69.

I drilled a hole in the middle of each hex piece for a press fit on the appropriate size dowel pins that fit in the nipples and I machined a screwdriver tip onto each one then I pressed in the dowels ...