4-1/2", Trim Saw, 4.5 Amp Motor, 4,500 RPM Blade Speed, Rugged Worm Gear Drive, Cuts 1-5/16" At 90 Degrees & 1-1/16" At 45 Degrees, Perfect For Cutting Sheet Materials, Includes: 20 Tooth Carbide Blade, Blade Wrench & Knob.