Diablo HardieBlade PCD Circular Saw Saw Blade The only approved PCD polycrystalline diamond tipped HardieBlade generates 5% less respirable dust. PCD triple chip design offers up to 60 times longer cutting life than standard carbide blade. Laser cut thin kerf design requires less power from the saw, causes less user fatigue, and ultimately extends the life of the saw. Anti-vibration design stabilizes the blade and reduces noise while cutting and non-stick Perma-SHIELD permanent coating prevents gumming and corrosion. Covered by Freud's limited lifetime warranty. Blade Diameter 7-1/4 In., Tooth Count 4-Tooth, Blade Material Diamond Tip, Arbor Size 5/8 In., Maximum Speed 10,000 rpm, Hook Angle 10 Degree, Kerf 0.087 In., Applications Fiber Cement, For Use With Circular Saw, Pkg Qty 1, Package Type Card