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.