3M SandBlaster Edge Detailing Sanding Sponges are built for the demands of your job. Great for sanding painted surfaces and resist loading which allows for larger sanding coverage and faster sanding*. Use for flat surface sanding and getting into corners. Can be used on wood or metal. Use coarse grits to remove coatings, medium grits for bare surface sanding and fine grits for between coats sanding.*When compared to 3M Conventional Sanding Sponges. Dual angle sponges are helpful when sanding small detailed areas and near corners or ceilingRinse and reuseUse wet or dryIdeal for preparing bare surfaces (wood, metal, drywall) prior to the first coat of paint/finish.Cuts fast, last long and is clog resistant