AboutFoam Backed Abrasives Soft and easy to hold Conforms to any surface Long Lasting Aluminum Oxide abrasive Made in the USA 4 grits-2 of eachMedium (120-150)Fine (220-240)Very Fine (280-380)Super Fine (500-600)R.A.D. Pads by SurfPrep$13.95PriceCall for Orders