https://www.ebay.com/sch/i.html?_nkw=3M+80509+3In+Al+Ox+Grind+Disc+Package+Qty+200&_sacat=0&_dmd=2

3M 80509 3In Al Ox Grind Disc - Package Qty 200

Regular price
$269.00
Sale price
$188.00

Blue Color; P Grade; Grinding Application; Diameter; 20000 Rpm Speed Rating; P100 Grit Size Number; Ceramic Aluminum Oxide Abrasive Material; Resin Bond; Yf Weight Polyester Cloth Backing Material; Roloc[T] Brand