Jig Saw Blades Features:
IRWIN jigsaw blades for cutting wood feature precision-ground teeth for fast, smooth cutting in hard and softwood, plastics, laminate particle board, and plywood.

Wood Cutting: Precision ground teeth for fast smooth cutting in hard and soft wood, plastics, laminate particle board and plywood
Metal Cutting: Fully hardened teeth for cutting ferrous and non-ferrous metals, aluminum and sheet steel