A green one in the 4.5 size could still be useful for my purposes. I think it's 36 grit. I know I liked them for paint removal when I used them years ago but it's hard to strip an entire car with 3 inch discs! They are useful in tight spots.
Several 4.5" discs at Grainger.
https://www.grainger.com/product/SCO...original=6RX96