Grind-O-Flex flap wheel from Merit Abrasives at 3-1/2 by 1-1/2 by 5/8 inch with 60 grit. Used for grinding and finishing on contoured metal in shop work.
Norton Abrasives Merit High Performance Mini Flap Wheels with 1/4" Mounted Shank, Size: 3 x 1 x 1/4, Grit: 60, Material: Ceramic Alumina/ALO, Max RPM: 20,000, Packaging Qty: 10 per pack