A regular candy store.
No minimum purchase.
Precut crs, hrs, brass aluminum in 1' and 3' lengths. Precut rounds 1/2" and 1" thick (wheels?)
Reasonable prices.
They have a "scrap" room, prices about half of new. What's there is, is constantly changing.
All sold by the pound.
They have a store in Phoenix and several in southern CA. also