those are the only ones I could find. it's a racket
I got the .6 stainless. works fine, prolly better than brass.
they are running out of these again. they are the correct replacements. i'd add them to your next order to have on hand.
https://www.amazon.com/gp/product/B095P7Z62Y/ref=ox\_sc\_saved\_title\_4?smid=A2TMK1RHV496EY&psc=1