LENOX Tools Metal Cutting Reciprocating Saw Blade with Power Blast Technology, Bi-Metal, 4-inch, 18 TPI, 50 Pack

Bi-metal construction for durability and long life | Power Blast Technology strengthens the blade to reduce breaks | Versatile blade cuts easily through thin and medium metals | T2 Technology allows efficient cutting in the widest range of materials | T2 technology tooth design delivers up to twice the life and cuts heavy materials more easily | 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 | 18 tooth per inch blades are best for use with medium-thickness metals