Broken Antenna Nub for 350Z and others

My antenna had been broken off by a previous owner and I couldn't remove the rusty parts to replace it. So I created this small "nub" to cover the ugly parts. The base is 20mm and it has an internal 10mm hole to fit the busted part. It was made specifically for my 350Z, but I'm sure it would work on many cars with this type of antenna base.