General description These Bahco 3906 Sandflex Hacksaw Blades are designed for durability and precision in metal sawing. They are virtually unbreakable and shatterproof, making them an excellent choice for various cutting tasks. Technical specifications Length: 300mm (12in) Teeth per inch (TPI): 32 Material: Bi-Metal (spring steel back and high-alloyed super high-speed steel teeth) Pack size: 100 blades (10 bundles of 10 blades) Other information Supplied in a black plastic box with a transparent cover