I sent my old pins to the scrapyard at easter so too late to measure the length. The diameter is 1". The thread on the lower end is 7/16"UNF. There is also a tapped hole in the top, but I have no way of knowing now what that thread is. I recall it was a bit unusual. The bushes have an outside diameter of 1&7/32". Bear in mind though that some Mogs had nylon bushes and they were different. If you want to make your own, then it is safer to strip the old ones down and use as patterns.
