Sponge Sanding Pads Great for working with PMC, sponge sanding pads from 3M are so flexible that they conform to almost any contour or surface. Micron graded abrasives make them safe for every stage of sanding and pre-polishing. Pads can be used wet or dry for a wide variety of metal, model-making and lapidary applications. Medium=160 grit, fine=360, Super-fine=550, Ultra-Fine=900, Micro-fine=1400 grit.
WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.