High carbon steel blades for fast rough cuts in wood. Ideal for pruning trees and shrubs, cutting roots, pallet wrecking and firewood. 5.2mm tooth pitch. Compatible with all universal 1/2″ shank recip and sabre saws. High carbon steel blades for fast rough cuts in wood. Ideal for pruning trees and shrubs, cutting roots, pallet wrecking and firewood. 5.2mm tooth pitch. Compatible with all universal 1/2″ shank recip and sabre saws.