General description Pack of 100 IRWIN® Bi-Metal Hacksaw Blades measuring 300mm (12in) with a tooth count of 18 TPI. These blades are designed for versatility and durability, making them suitable for cutting a variety of metals. They are safer than traditional HSS blades due to their flexible and shatter-resistant properties. Technical specifications Length: 300mm (12in) Teeth per inch (TPI): 18 Pack Quantity: 100 blades Type: Bi-Metal Blade MPN: 10504520 EAN: 5706915045208 Other information