The Capri Tools 12 in. 24TPI Bi-Metal Hacksaw Blade is ideal for metal working. The heavy duty bi-meal construction combines the flexibility of carbon steel body and the high performance of high speed steel blades. Fine teeth blade gives smooth and precise cuts required for cutting metal. The blades are designed for Capri Tools High Tension Multi-Angle Hacksaw (Model 20100), Capri Tools 12 in. Mini Hacksaw (Model 20105) and also compatible with standard hacksaws. 12 in. long and 24 teeth per inch (TPI). Pack of 2.