Bi-metal portable band saw blade construction – delivers 3x life over standard portable band saw blades Advanced bonding technology – Provides a bond between backer and cutting edge that is significantly improved and strengthened for stronger, longer-lasting blades Optimized tooth geometry – provides fast and clean cuts in materials such as steel, iron, aluminum and other non-ferrous metal Premium materials – constructed with superior metal to resist heat buildup for longer blade life Built to fit – Bosch portable band saw blades are designed for use in many standard portable band saws