Medium Grade Angular Aluminum Oxide 120 Grit, 9 Max Hardness, 50 Lb Box - Walmart.com
Superior Abrasives 11379 | SHUR-KUT 1/2" 120 Grit Aluminum Oxide Cloth PSA Disc - All Industrial Tool Supply
Amazon.com: #120 Grit Premium Brown Fused Aluminum Oxide - (8 LBS or 3.62 kg) - Fine Grade High Density Sand Blasting Abrasive Media for Etching, Blast Cabinets or Blaster Guns : Tools & Home Improvement
4-1/2 in. x 7/8 in. 120-Grit Type 27 Flap Disc with Fiberglass Backing and Aluminum oxide Grain