Oscillating Tool Blade Set, Blade Type Plunge Cut, Connection Style Starlock, Blade Shape Straight, Blade Material Bi-Metal, Blade Width 1 1/4 in, Blade Length 4 in, Overall Length 4 in, Maximum Oscillations per Minute 21,000, Primary Material Application Metal, Wood, Materials Cut Metal, Wood, Cut Style Plunge Cut, Cutting Edge Style Toothed, Edge Material High Carbon Steel, Compatible with Adapter Bosch, Fein, Makita, Milwaukee, Rigid