The Lenox B314T 92x10x0.9mm 14TPI Jigsaw Blade - 5Pk with POWER BLAST TECHNOLOGY undergo a surface enhancement treatment created by high speed blasting along the tang, which strengthens the blade to reduce breaks and increase durability. Used for cutting thick metals.

Power Blast technology increases durability
High speed blasting strengthens the blade to reduce breaks and increase durability
Long blade life
Patented T2 Technology provides fast, efficient cutting in a range of metal cutting applications
Shatter Resistant
Bi-Metal technology flexes to resist breaking and helps to extend blade life