Bi-metal blades for demolition tasks. Ideal for rough cutting wood, nail-embedded wood, pallet wrecking and window frame removal. 2.5mm tooth pitch. Compatible with all universal 1/2\" shank recip and sabre saws.Bi-metal blades for demolition tasksIdeal for rough cutting wood & nail-embedded woodIdeal for pallet wrecking & window frame removal2.5mm tooth pitch1/2\"" universal shank"