Cutting Blade Set, Blade Type End , Connection Style Universal Open-Back, Blade Shape Round, Straight, Blade Width 1 1/4 in, 1 1/2 in, 3 in, Blade Length 1 1/4 in, 1 1/2 in, 3 in, Overall Length 8 1/4 in, Maximum Oscillations per Minute 21,000, Primary Material Application and Notch Drywall, Metal, Plastic, Wood, Materials and Notch Drywall, Metal, Plastics, Wood, Direct Fit for Tool Brands Bosch, Craftsman, Fein, Rigid, Rockwell, Case Included No, Number of Blades 5