Dosco Wet & Dry Sand Paper Medium is ideal for hand or machine sanding of wood, metal, plastic, fibreglass, and removing old paint. Start with the coarsest sandpaper and work your way through the finer grades.Features4 per packMedium-grade sandpaperIdeal for wood, metal, plastic, and fibreglassWaterproofSuitable for preparation for priming, painting, and sealing