12 tooth, 5/8" arbor.

Diablo's 10" PCD Tooth PergoBlades are the first blades specifically designed for cutting laminate flooring in a chop saw application. This radical new design delivers 75 times the cutting performance compared to a carbide-tipped saw blade. This blade is the only approved blade by the Pergo brand for cutting their material.
Ideal for Pergo flooring, hardwood flooring, engineered flooring, bamboo, and other laminate flooring.

Features:

• Polycrystalline Diamond (PCD) Tooth with unique tooth geometry delivers unmatched cutting life.
• Hi-tech anti-kickback design re-enforces the tooth for longer life.
• Laser-cut Anti-vibration design reduces vibration and stabilize blade.