Oscillating Tool Blade Set, Blade Type Caulk Removal, Cutting Blade, Abrasive Grit, Connection Style Starlock, Blade Shape Semi-Circular, Straight, Blade Material Bi-Metal, Carbide, High Speed Steel, Blade Diameter 3 1/8 in, Blade Width 1 3/8 in, 2 in, 2 9/16 in, 3 in, 3 1/8 in, Blade Length 3/4 in, 7/8 in, 1 1/2 in, 1 5/8 in, Overall Length 2 1/4 in, 2 1/2 in, 2 9/16 in, 3 in, Maximum Oscillations per Minute 19,500, Primary Material Application Grout, Metal, Sealant, Wood