Bruce
TVWBB 2-Star Olympian
This says 304 stainless and 7mm rods. It shows 16 rods per grate which is the same as the Quilimetal and Honsgo but this would be much less expensive and with the $4 discount would be under $40 per set.
https://www.amazon.com/exec/obidos/ASIN/B07S6B68GT/tvwb-20
https://www.amazon.com/exec/obidos/ASIN/B07S6B68GT/tvwb-20