Carbide tooth design for long cutting life in wood and metal applications. Patented variable tooth technology provides faster cuts with less vibration. With an oversized blade body, patented variable tooth design and Perma-Shield non-stick coating for less gumming and friction, this blade is ideal for cutting nail embedded wood and demolition thick metal applications with a 1/8" to 1/2" thickness. 1" demolition body for straighter cuts with less vibration.