Freud DS006S Steel and Demolition Reciprocating Blade Assortment, 6-Piece INCLUDES: 1 x 9 Nail Embedded Wood Blade, 2 x 6 Nail Embedded Wood Blades, 2 x 6 Metal Cutting Blades, 1 x 6 Metal Demolition Blade PERMA SHIELD COATING protects these blades from heat, gumming, and corrosion. Keeping them in storage will result in less damage compared to other blades without protective coating HOOKED TIPS are found on the woodcutting blades. These allow them to bite into the material and hold on throughout the entire cut without slipping DOUBLE TOOTH CONFIGURATION: The teeth on these blades are spaced closely together to make for smoother, faster cuts STORAGE SLEEVE keeps your blades safe from the elements when youre not using them All blades feature Diablo's variable tooth design Wood cutting blades feature an easy plunge tip design for faster and easier plunging Wood cutting blades suited for cutting wood, wood composites and nail embedded wood Metal cutting blades suited for cutting steel and metal composites