DESCRIPTION: 2.5" X 2.5" flexible foam-backed pads with diamond grit 1/4" foam-backing for ease of use (Price is each, and they are sold separately.) 60 grit (coarse) for rough heavy clay or glaze 120 grit (medium) general purpose 200 grit (fine) for smoothing 400 grit (extra fine) for smoothing 800 grit (ultra fine) for polishing 1500 grit (ultra fine) for further polishing USES: Smooth off high-fired clay, glaze, bisque, tile, stone or glass Diamond grit work faster than sandpaper Removing a sharp chipped edge Fewer strokes and less force are required Smoothing the foot or the sides and rim of a ceramic piece BENEFITS: Can be used wet or dry (doesn't deteriorate in water) Far outlast sandpaper Far less fatigue than sandpaper Much easier and faster than other type of type of abrasive Smooths foot to prevent scratching a table Prevents sharp edge on foot from snagging a tablecloth CAUTIONS: Use all safety precautions Use with water or respirator to prevent small particles from entering airways Keep out of the reach of children