Wanna be a baller, shot caller. Twenty inch blades on the Impala

Lets go old skool!

Li’l Troy’s only “hit” Wanna Be a Baller has this passage:

Wanna be a baller, shot caller
Twenty inch blades on the Impala
A caller gettin’ laid tonight
Swisher rolled tight, gotta sprayed by Ike
I hit the highway, making money then fly way
But there’s got to be a better way
A better way, better way, yeah

My question, what does twenty inch blades on the Impala mean?
Some sites say fins (contending that rappers like '60s Impalas), others say rims.

Rims make for the easier measurement but are rims referred to as blades?

Is it National Poetry Day again, already?

I thought it meant 20" rims, but not sure. Those are pretty big for a modern car, not so sure what an old Impala might use.

That is a certain style of rim, yes.

Tricked out 1996 Impala on 20" blade rims

Day-um! I do not remember those.

Those are some seriously low-profile tires. Might as well just be riding on the rims…

This is not it, but there’s a car that sometimes drives around my neighborhood that looks a lot like that one, but it’s purple. I’ll have to try to get a picture some time.

How bout this one then from Chip tha Ripper (now King Chip)

Riviera sitting on the Bulls best hooper
Y’all still riding 20’s, y’all some oompa loompas

Bulls best hooper is of course Michael Jordan who wore number 23. So his Buick Riviera is on 23 inch rims

♫ I wish I was a little bit taller;
I wish I was a baller, I wish I had a girl
that looked good, I would call her
I wish I had a rabbit in a hat
and a six-four Impala. ♫

Skee-Lo - I Wish - YouTube