Diablo, 12" x 8 Tooth, 1" Arbor, Circular Saw Hardie Blade, Approved PCD Polycrystalline Diamond Tipped Hardie Blade Generates 5% Less Respirable Dust, PCD Triple Chip Design Offers Up To 60X Times Longer, Laser Cut Thin Kerf Design Requires Less Power From The Saw, Causes Less User Fatigue & Ultimately Extends The Life Of The Saw, Anti-Vibration Design Stabilizes The Blade & Reduces Noise While Cutting, Non-Stick Perma-Shield Permanent Coating Prevents Gumming & Corrosion.