372645F Specialty Reciprocating Blade - 6", 6 TPI Fleam - 1-Pack. Standard Features: Designed for general purpose, wood & metal cutting. Bi-metal construction for faster cutting and added durability. Precision set teeth for faster, smoother cuts. 8% Cobalt keeps teeth sharp longer. Length: 6". TPI: 6 Fleam. Blade Thickness: .050". Material: Bi-Metal.