3M™ Utility Fine Sanding Sponge UTSS-F, Fine grit.

Aluminum Oxide mineral to be used on paint, wood and metal.

All purpose sponge that is ideal for sanding paint, wood, metal and drywall. Made of tough durable aluminum oxide, this sponge can be used for flat or contour sanding. Simply rinse and reuse and can be used wet or dry.