6 1/2 (165 mm). 18T carbide teeth. Patented body slots. Low vibration. Exclusive Toughtrack Technology. For accurate tracking over the life of the blade. Recommended for: Framing; Good. Better. Best. Tough Coat finish. Anti-stick coating. Reinforced Shoulder: For impact resistance in nail embedded wood. High density tungsten carbide for toughness & long life. Thin kerf design for smooth cuts. Max RPM: 7000. Hook Angle: 18 degrees. US and Canada only. Made in China.