1972 SeaCraft 20sf (re) build.

[Caymanboy]

Sandy,
I found out a long time ago, using the proper materials for the task, pays out in the long run.
Those handles are made or sold by a Company called Premier products, you would have to see who retails or wholesales them. The Premier Mod # for that handle is #56789 7/8" oval grabrail with studs.
Here are a couple of photo's with the answers to the what are these parts question.