The Rocket sanding block holder with medium grade sanding sponge offers optimal sanding results on flat or contoured surfaces. The Rocket Mouse Sander is designed for comfort and efficiency. A rubber coated handle provides extra grip and stability, designed for sanding and cleaning of metal, wood, plaster, plastic, fibreglass and more, it can be used for both wet and dry sanding. Cleaning is easy, requiring just a quick rinse with water.