Oscillating Tool Blade, Blade Type Long , Connection Style Universal Open-Back, Blade Shape Round, Blade Material Steel, Blade Diameter 3 in, Blade Width 3 in, Blade Length 2 1/2 in, Overall Length 2 1/2 in, Maximum Oscillations per Minute 21,000, Primary Material Application Drywall, Blade Thickness 1/16 in, Materials Drywall, Plastic, Wood, Compatible with Adapter Bosch, Craftsman, Dremel, Fein, Makita, Milwaukee, Rigid, Rockwell, Skil, Number of Pieces 1