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 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.