Progressor tooth design provides superior performance in speed and cleanliness of cut</br>3 Piece pack is ideal for fast and clean cuts through thick and thin wood</br>Ground teeth for superior speed and cleanliness and taper ground backing for increased blade life</br>Tip engineered for easy plunge cuts</br></br>Product Description</br></br>- Progressive teeth - Engineered for fast and accurate cuts in thick and thin wood - Ideal for accurate?? splinter-free cuts in hard and soft wood?? particleboard and plywood - Progressive tooth spacing allows for fast cutting in thick and think materials - Recommended for cordless jigsaws - Contains 3 blades</br><br/>http://www.amazon.com/gp/product/B000EPPG6O