• Bi-metal blade combines strength and flexibility
• Sandflex blade combines high cutting performance and wear resistance
• Shatterproof and is virtually unbreakable
• Holds sharpness even over time with extended use

With a tough spring steel and wear-resistant high-speed steel electron-beam welded together, the teeth are then formed out of the high speed steel to produce a perfect match with the flexible and virtually unbreakable spring steel as the backing material. A durable, all round high performing blade to suit your hacksaw (hacksaw frame sold separately).