LENOX® Bi-Metal Drywall 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 Patented T2™ Technology reduces cutting forces on each tooth and optimises chip removal to allow efficient cutting in the widest range of materials Each blade has a unique configuration including an aggressive tang angle and tapered blade shape to allow for cutting in tight areas The special design minimises friction and heat build-up whilst cutting