Qty 2. 3" Roloc Quick Change Disc Backup Pad Holder. $15 Each. Scotch Brite Roloc 3" Conditioning Discs. Qty 18 Red Conditioning Discs. Qty 19 Blue Conditioning Discs. $1.25 for each Conditioning Discs. Sanding Discs $1 Each. Qty 9. 80 Grid. Qty 3. 180 Grid. Qty 5. 240 Grid.