General description These Stanley Bi-Metal Hacksaw blades are designed for versatility and durability, making them ideal for cutting a variety of materials including metal, copper, iron, steel, bolts, plastics, and aluminium. Supplied in a pack of 100 blades, they offer excellent value for both professional and DIY users. Technical specifications Length: 300mm (12 inch) Teeth per inch (TPI): 24 Material: Bi-metal (carbon steel and high-speed steel) Other information The blades feature super hard teeth that provide efficient cutting while maintaining flexibility under load.