Engineered for precision and durability, this 12-inch bi-metal reciprocating blade is an essential tool for cutting medium metals ranging from 1/16 inch to 5/16 inch thick. With a unique dual tooth design, it enhances cutting efficiency by providing more working teeth within the material, enabling faster cuts with less heat build-up, which translates to an impressive five times longer cutting performance. The Perma-shield coating further protects the blade from heat, gumming, and corrosion, ensuring longevity and reliability in demanding tasks. Designed with a 1-inch demolition body, it minimizes vibration for straighter cuts, making it an ideal choice for professionals and DIY enthusiasts alike. This pack of 25 blades offers exceptional value, ensuring you have the right tools at your disposal for all your metal cutting needs.