6-1/2" x 40 Tooth Finishing Blade, Tico Hi-Density Titanium Carbide Composition Increases Performance & Maximizes Cutting Life, Perma-Shield Nonstick Coating Reduces Drag & Shields The Blade Against Heat & Friction, Laser-Cut Stabilizer Vents Absorb Noise & Vibration, Keeping The Blade Straight & True For Superior Quality Cuts, Designed To Fit 5/8" Arbors For Accurate Blade Rotation, Ultra-Slim Kerf Provides Fast, Clean Cuts With Minimal Material Removal, Laser Cut Heat Expansion Slots Ensure Wobble Free Performance.