T2 technology tooth design delivers up to twice the life and cuts heavy materials more easily. Tall blade limits bending and provides greater control. Bi-metal construction allows blades to bend and flex without breaking Designed to minimize friction and heat build-up while cutting through the widest variety of metal materials. 10 tooth per inch blades are best for use with thick metals, metal demolition, fire and rescue. LENOX Tools Reciprocating Saw Blade, General Purpose, 8-inch, 10/14 TPI (12130835R).