Bahco 3906 Bi-Metal Hacksaw Blades 12in X 18TPI (10 PACK) The Bahco 3906 sandflex HSS bi-metal hacksaw blades are virtually unbreakable and shatterproof Bi-metal blade with precision ground teeth for all kinds of metal sawing. Features: With a blade made 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 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 Specification: Length - 12\"/300mm 18 TPI