Oscillating Tool Blade, Blade Type Plunge , Connection Style Starlock Plus, Blade Shape Straight, Blade Material Bi-Metal, Blade Width 1 1/8 in, Blade Length 2 1/4 in, Overall Length 4 5/16 in, Maximum Oscillations per Minute 19,500, Primary Material Application General Purpose, Materials Aluminum, Copper, Drywall, Plastic, Wood, Cutting Edge Style Toothed Edge, Edge Material Bi-Metal, Compatible with Adapter Bosch, Fein, Direct Fit For Tool Brand Bosch, Fein, Makita, Milwaukee, Ridgid