The Bahco 3906 Sandflex® Bi-Metal Hacksaw Blades are virtually unbreakable and shatterproof 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.1 x Pack of 5 Bahco 3906 Sandflex® Hacksaw Blades 300mm (12in) x 18 TPI.Additional Information:• Saw Type: Blade• TPI: 18• Pack Qty.: 5