The DEWALT 5 Piece Steel Cutting Jigsaw Blade Set has been constructed for heavy duty cutting straight cutting of solid material such as Steel & non-ferrous metals. The durable HSS jigsaw blades offer high durability & best cutting results in wood steel & non-ferrous metals. Made from fully hardened high-speed cut-to-length steel the blades deliver enhanced tool life. The universal T-Shank fitting suitable for use with corded & cordless jigsaws.