High speed steel blades for cutting steel, iron and other ferrous metals up to 3 8'', as well as nonferrous metals such as brass, aluminum, copper, and lead up to 1 4''. 2 3 4'' long. Packed 2 blades per card.
No. 3071314: 14TPI
No. 3071320: 18TPI
No. 3071336: 36TPI
IRWIN U-Shank 3-1/4" 20TPI BI-Metal - a jig saw blade offering fully hardened teeth for cutting ferrous and non-ferrous metals, aluminum, an sheet metal. Features a U-Shank design.