Oscillating Tool Accessories, Material Bi-Metal/Carbide Grit/Steel, Size 3-3/8", 3-1/8", 2-1/16", 7/8", Overall Length 4", Application Aluminum, Non-Ferrous Metals, Sheet Metal , Rough Grinding, Tile Motor/Adhesive, Stone, Concrete, Wood, Plastics, For Use With All Oscillating Tools, Includes Carbide Grit Blade, Scraper Blade, Oscillating Metal Blade, Delta Rasp, Number of Pieces 4