3M 3-7/8 in. x 6 in. x 5/16 in. (9.84 cm x 15.2 cm x 0.79 cm) Very Fine, 220 Grit, Hand Sanding Pads (2-Pack) 7447 - The Home Depot
Scotch-Brite(TM) Durable Flex Hand Pad, Aluminum Oxide, 9" Length x 4-1/2" Width, Very Fine Grit, Red (Pack of 100): Sanding Pads: Amazon.com: Industrial & Scientific
3M Scotch-Brite™ Hand Pad Selection Chart
Anecdotal Scotch-Brite grits? | BladeForums.com
Scotch-Brite 6" x 9" White applicator pad — Grit & Grain Co.