Oscillating Tool Blade Blade Type Precision Cut Connection Style Universal Open-Back Blade Material High Carbon Steel Blade Width 2 1/2 in Blade Length 4 1/4 in Overall Length 4 1/4 in Cut Style Fine Cut Cutting Edge Style Toothed Edge Edge Material High Carbon Steel Direct Fit For Tool Brand Bosch Craftsman Fein Rigid Rockwell Number of Pieces 1