The Bahco 3906 Sandflex® Bi-Metal Hacksaw Blades are virtually unbreakable and shatterproof bi-metal blades, with precision ground teeth for all kinds of metal sawing. With a blade back of strong, flexible spring steel and a tooth line in high-alloyed, super high-speed steel, this blade is guaranteed to keep its sharpness for a long time. All product imagery is for illustration purposes only. Appearance and colours are often affected by your display settings and therefore, should not be used for matching purposes.