Combining shatter resistant spring steel, used as the backing material, and tough, wear-resistant HSS teeth, this range of replacement hacksaw blades are the ideal product for replacing your blunt or old hacksaw blades. Electron-beam welded to form a sturdy bi-metal product, the product is well suited for making interrupted cuts in cramped places or places where the blade is subject to stress caused by twisting or bending. Provides optimum tooth strength/life and reduced breakage and fracture when compared to traditional all-hard blades. Hacksaw body not included, blades only provided. Features and Benefits HSS (High Speed Steel) cuts faster than high carbon steels and maintains hardness for longer than carbon steels Possesses a flexible spring steel backing to allow for sawing in hard to reach or awkward areas The differing materials have been electron-beam welded together for a neat join and sturdy product finish Available to purchase singularly or in economical packs of 5 (chec