Bahco 3906 Sandflex HSS Bi-Metal Hacksaw Blades 12 Inch x 32TPI (10 Pack).  The new SANDFLEX® blade combines extreme cutting performance and wear resistance with a high degree of flexibility and is vastly superior to all-hard high speed blades or conventional, flexible blades.  Features:   The virtually unbreakable and shatterproof Bi-metal blade 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   Specification:  Length - 12\"/300mm  32 TPI  Pack of 10  Net Weight: 0.183kg