LENOX Demolition Bi-Metal-Reciprocating Saw Blades use POWER BLAST TECHNOLOGY to increase blade life. High-speed blasting along the cutting edge strengthens the blade to reduce breaks and increase durability. The blade design provides maximum durability. The taller and thicker blade profile prevents bending during cutting and provides maximum control in the toughest demolition applications. Pack of 2 LENOX 20598-966R Demolition Reciprocating Saw Blades 225mm 6 TPI Ideal for demolition work and cutting nail embedded wood.