I bought this 2 inch conveyor belt for our 500 yard plate rack - https://www.amazon.com/gp/product/B08GN7JRPZ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Lasted about 6 months on the small plate that everyone seems to miss and hit the belt instead. Still holding up on the bigger plates...