Irwin 10504524 Bi-Metal 300mm Hacksaw Blades x2 Pcs IRWIN Bi-Metal Hacksaw Blades are safer than HSS blades. They are flexible, shatter resistant and are suitable for use on a variety of metals. Their tooth geometry delivers higher resistance against tooth strippage and increases longevity and durability. Leveraging the advantages of WeldTec technology, IRWIN hacksaw blades allow for faster, smoother and less tiring cutting. FEATURES Flexible Shatter resistant Suitable for use on a variety of metals SPECIFICATION Quantity: 2